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Question
primary 6 | Maths
| Measurement
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Maths
Asked for total mass.
Bag 2 is 2.05kg lighter
so Bag 2 = Bag 1 - 2.05kg
= 7kg - 2.05kg
= 4.95kg.
Bag 1 is 3.2kg heavier than Bag 2
so Bag 1 = Bag 2 + 3.2kg
= 4.95kg + 3.2kg
= 8.15kg
Total Mass =
Bag 1 + Bag 2 + Bag 3
= 8.15 + 4.95 + 7
= 20.1 kg