Question

a shopkeeper sold a calculator for Rs 900 and earned 22 %profit. find the actual price of the calculator ​

Answer 1

$122\% = 900 \\ \\ \\ 1\% = 900 \div 122 \\ \\ 100\% = 90000 \div 122 \\ \\ \\ 100\% = 737.7$

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Answer 2

Explanation:

cp=?

sp=900

profit=?

profit℅=22℅

let cp be 100

so sp=100+profit

profit =22×100/100

profit=22

sp=122

by cross multiplication

900×100/122

=737.70

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