Anita = 1 unit, Hazel = 3 units. After Anita adds $55 and Hazel adds $17 the two bars are equal in length.<br><br>[[model:questions/solutions/q5409.png]]<br><br>• 1 unit + $55 = 3 units + $17 (equal ends)<br>• $55 − $17 → 2 units<br>• 2 units → $38<br>• 1 unit → $38 ÷ 2 = $19 (Anita at first)<br>• Hazel at first → 3 units = 3 × $19 = $57<br><br>Hazel saved $57 at first (Anita saved $19).<br>Check: $19 + $55 = $74 and $57 + $17 = $74 — equal. ✓