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The weight of 56 books is 7 kg(a) What is the weight of 90 such books?(h) How many such books weigh 7.5 Kg? |
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Answer» 56 books=7kg1book=7/56=1/8kg(a) 90 books=1/8*90=11.25Kg7kg=56 books1 kg=56/7=8 books7.5kg=8*7.5=60 books thanks |
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