SOLUTION STEPS (Set 1 — P4 Whole Numbers):
Question ID: 3217

  1. Let baby Ned be 1 unit. Billy is 2 units.
  2. Total of Billy and Ned: 2 + 1 = 3 units. Tom is 3 x 3 = 9 units.
  3. Tom is 9 times as heavy as baby Ned. Answer: 9.