A merchant on selling rice earns a profit of `10 per bag of basmati rice sold and a loss of `5 per bag of non-basmati rice. (i) He sells 3,000 bags of basmati rice and 5,000 bags of non-basmati rice in a month. What is his profit or loss in a month? (ii) What is the number of basmati rice bags he must sell to have neither profit nor loss, if the number of bags of non-basmati rice sold is 6,400.

SCERT Class 7 Telangana, Maths Chapter 1 Integers

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Answers

2016-04-12T22:58:28+05:30

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Given:
profit of 10 per bag of basmati rice
loss of 5 per bag of non-basmati rice

1) 3,000 bags of basmati rice * 10 = 30,000 profit
5,000 bags of non-basmati rice * 5 = 25,000 loss

30,000 - 25,000 = 5,000 net profit

2) Let x be the number of bags of basmati rice
10x = 6,400*5
10x = 32,000
x = 32,000/10
x = 3,200 bags of basmati rice.
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