Question

A shopkeeper has 120 kg of rice. in the first 4 weeks of a month he sells 21 by 3 kg ,10 1 by 5 kg, 15 1 by 2 kg and 25 3 by 4 kg respectively. find the quantity of rice remaining after the end of 4 weeks

Answer 1

Answer:

let X be remaining rice

at 1st=120kg

61/5+51/5+31/2+103/4+X=120kg

102/5+62/4+103/4+X =120kg

102/5+165/4+X =120

408+825/20=120-X

1233/20=120-X

61.65+120=X

181.65=X

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