-- Generated by mcq:propose-skill-119 on 2026-05-13T09:31:56+00:00
-- Sprint: audit/skill-119-substitution
-- Scope: skill_id=119, qa_status=needs_revision, no images, conversion templates only
-- DO NOT RUN WITHOUT BACKUP. Status stays as needs_revision after these updates.
--
-- BACKUP FIRST:
--   mkdir -p ~/db-backups
--   mysqldump --no-create-info --where="id IN (3352,3353,3354,3355,3356,3357,3358,3360,3361,3362,3363,3364,3365,3366,3367,3368,3369,3370,3413,3414)" api questions > ~/db-backups/2026-05-13-skill-119-backup.sql
--
-- Then run this file inside a transaction:

START TRANSACTION;

-- Row 3352 (skill=119, diff=1, answer=2$$\frac{1}{3}$$)
--   old: Express 2$$\dfrac{1}{2}$$ in its simplest form.
--   new: Express 2$$\dfrac{1}{3}$$ in its simplest form.
UPDATE questions SET question = 'Express 2$$\\dfrac{1}{3}$$ in its simplest form.', updated_at = NOW() WHERE id = 3352;

-- Row 3353 (skill=119, diff=1, answer=3$$\frac{3}{4}$$)
--   old: Express 3$$\dfrac{1}{2}$$ in its simplest form.
--   new: Express 3$$\dfrac{3}{4}$$ in its simplest form.
UPDATE questions SET question = 'Express 3$$\\dfrac{3}{4}$$ in its simplest form.', updated_at = NOW() WHERE id = 3353;

-- Row 3354 (skill=119, diff=1, answer=5$$\frac{2}{3}$$)
--   old: Express 5$$\dfrac{1}{2}$$ in its simplest form.
--   new: Express 5$$\dfrac{2}{3}$$ in its simplest form.
UPDATE questions SET question = 'Express 5$$\\dfrac{2}{3}$$ in its simplest form.', updated_at = NOW() WHERE id = 3354;

-- Row 3355 (skill=119, diff=2, answer=2$$\frac{1}{2}$$)
--   old: Express $$\dfrac{1}{2}$$ in its simplest form.
--   new: Express $$\dfrac{5}{2}$$ in its simplest form.
UPDATE questions SET question = 'Express $$\\dfrac{5}{2}$$ in its simplest form.', updated_at = NOW() WHERE id = 3355;

-- Row 3356 (skill=119, diff=2, answer=1$$\frac{1}{3}$$)
--   old: Express $$\dfrac{1}{2}$$ in its simplest form.
--   new: Express $$\dfrac{4}{3}$$ in its simplest form.
UPDATE questions SET question = 'Express $$\\dfrac{4}{3}$$ in its simplest form.', updated_at = NOW() WHERE id = 3356;

-- Row 3357 (skill=119, diff=2, answer=1$$\frac{7}{8}$$)
--   old: Express $$\dfrac{1}{2}$$ in its simplest form.
--   new: Express $$\dfrac{15}{8}$$ in its simplest form.
UPDATE questions SET question = 'Express $$\\dfrac{15}{8}$$ in its simplest form.', updated_at = NOW() WHERE id = 3357;

-- Row 3358 (skill=119, diff=2, answer=2$$\frac{1}{3}$$)
--   old: Express $$\dfrac{1}{2}$$ in its simplest form.
--   new: Express $$\dfrac{7}{3}$$ in its simplest form.
UPDATE questions SET question = 'Express $$\\dfrac{7}{3}$$ in its simplest form.', updated_at = NOW() WHERE id = 3358;

-- Row 3360 (skill=119, diff=3, answer=4$$\frac{1}{3}$$)
--   old: Convert $$\dfrac{1}{2}$$ to a whole or mixed number in its simplest form.
--   new: Convert $$\dfrac{13}{3}$$ to a whole or mixed number in its simplest form.
UPDATE questions SET question = 'Convert $$\\dfrac{13}{3}$$ to a whole or mixed number in its simplest form.', updated_at = NOW() WHERE id = 3360;

-- Row 3361 (skill=119, diff=3, answer=2$$\frac{2}{5}$$)
--   old: Convert $$\dfrac{1}{2}$$ to a whole or mixed number in its simplest form.
--   new: Convert $$\dfrac{12}{5}$$ to a whole or mixed number in its simplest form.
UPDATE questions SET question = 'Convert $$\\dfrac{12}{5}$$ to a whole or mixed number in its simplest form.', updated_at = NOW() WHERE id = 3361;

-- Row 3362 (skill=119, diff=3, answer=3)
--   old: Convert $$\dfrac{1}{2}$$ to a whole or mixed number in its simplest form.
--   new: Convert $$\dfrac{3}{1}$$ to a whole or mixed number in its simplest form.
UPDATE questions SET question = 'Convert $$\\dfrac{3}{1}$$ to a whole or mixed number in its simplest form.', updated_at = NOW() WHERE id = 3362;

-- Row 3363 (skill=119, diff=3, answer=2$$\frac{2}{3}$$)
--   old: Convert $$\dfrac{1}{2}$$ to a whole or mixed number in its simplest form.
--   new: Convert $$\dfrac{8}{3}$$ to a whole or mixed number in its simplest form.
UPDATE questions SET question = 'Convert $$\\dfrac{8}{3}$$ to a whole or mixed number in its simplest form.', updated_at = NOW() WHERE id = 3363;

-- Row 3364 (skill=119, diff=3, answer=1$$\frac{1}{4}$$)
--   old: Convert $$\dfrac{1}{2}$$ to a whole or mixed number in its simplest form.
--   new: Convert $$\dfrac{5}{4}$$ to a whole or mixed number in its simplest form.
UPDATE questions SET question = 'Convert $$\\dfrac{5}{4}$$ to a whole or mixed number in its simplest form.', updated_at = NOW() WHERE id = 3364;

-- Row 3365 (skill=119, diff=2, answer=$$\frac{15}{7}$$)
--   old: Change 2$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 2$$\dfrac{1}{7}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 2$$\\dfrac{1}{7}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3365;

-- Row 3366 (skill=119, diff=2, answer=$$\frac{13}{10}$$)
--   old: Change 1$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 1$$\dfrac{3}{10}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 1$$\\dfrac{3}{10}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3366;

-- Row 3367 (skill=119, diff=2, answer=$$\frac{9}{4}$$)
--   old: Change 2$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 2$$\dfrac{1}{4}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 2$$\\dfrac{1}{4}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3367;

-- Row 3368 (skill=119, diff=2, answer=$$\frac{10}{3}$$)
--   old: Change 3$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 3$$\dfrac{1}{3}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 3$$\\dfrac{1}{3}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3368;

-- Row 3369 (skill=119, diff=2, answer=$$\frac{29}{6}$$)
--   old: Change 4$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 4$$\dfrac{5}{6}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 4$$\\dfrac{5}{6}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3369;

-- Row 3370 (skill=119, diff=2, answer=$$\frac{28}{5}$$)
--   old: Change 5$$\dfrac{1}{2}$$ to an improper fraction in its simplest form.
--   new: Change 5$$\dfrac{3}{5}$$ to an improper fraction in its simplest form.
UPDATE questions SET question = 'Change 5$$\\dfrac{3}{5}$$ to an improper fraction in its simplest form.', updated_at = NOW() WHERE id = 3370;

-- Row 3413 (skill=119, diff=2, answer=3$$\frac{3}{7}$$)
--   old: Express $$\dfrac{1}{2}$$ as a mixed number.
--   new: Express $$\dfrac{24}{7}$$ as a mixed number.
UPDATE questions SET question = 'Express $$\\dfrac{24}{7}$$ as a mixed number.', updated_at = NOW() WHERE id = 3413;

-- Row 3414 (skill=119, diff=2, answer=$$\frac{35}{8}$$)
--   old: Change 4$$\dfrac{1}{2}$$ into an improper fraction.
--   new: Change 4$$\dfrac{3}{8}$$ into an improper fraction.
UPDATE questions SET question = 'Change 4$$\\dfrac{3}{8}$$ into an improper fraction.', updated_at = NOW() WHERE id = 3414;

-- Verify before commit (should return 20 rows):
SELECT id, LEFT(question, 80) AS q FROM questions WHERE id IN (3352,3353,3354,3355,3356,3357,3358,3360,3361,3362,3363,3364,3365,3366,3367,3368,3369,3370,3413,3414);

-- If verified, COMMIT. If not, ROLLBACK.
COMMIT;
