Apple = 1 unit. Mango = twice the apple = 2 units. Papaya = twice the mango = 4 units. Together 7 units = 560 g.<br><br>[[model:questions/solutions/q2546.png]]<br><br>• 1 + 2 + 4 = 7 units → 560 g<br>• 1 unit (apple) → 560 ÷ 7 = 80 g<br>• Papaya = 4 units → 4 × 80 = 320 g<br><br>The papaya’s mass is 320 g.<br>Check: apple 80 + mango 160 + papaya 320 = 560 g. ✓