a lorry was loaded with 72 sacks of equal mass. the tare of the lorry was 5 tonnes, when loaded its mass was 8600 tonnes. what is the mass of each stack? please help with working out so I can understand better
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lorry loded - 72
tare of the lorry was- 5 tones
after adding sacks - 8600 tone
so,mass of each sack = 8600÷ 5
= 1,720
now 72× 1720
= 12,384
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