8- The weight of 72 books is 9 kg
a) What is the weight of 80 such books?
b) How many such books weigh 6 kg ?
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Answer:
a) 80×9÷72
720÷72
10 Kg
b)
Kg Of One Book =72÷9=8
how Many Books Weigh 6kg?
8×6=48kg
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