the weight of 15 bags of rice is 460 kg. find a; the weight of 3 bags of rice b; how many bags will weigh 644kg?
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Answer:
460/15=30.7kg
1 bag =30.7 kg
3 bags=3*30.7=93 kg(nearly)
30.7x=644
x=644/30.7
=20.9=21(nearly)
21 bags
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