the weight of 80 books is 10kg . a) what is the weight at 72 such boxes? b) how many such boxes would weight 7kg? please answer step by step
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the weight of 80 books is 10kg . a) what is the weight at 72 such boxes? b) how many such boxes would weight 7kg? please answer step by step
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Answer:
Step-by-step explanation:
Weight of 80 books is 10kg
Then 1kg=8books
Then weight of 72 books =9kg
For 7kg =7*8
=56