Question

The selling price of 10 books is equal to the cost price of 12 books. Find the profit percent​

Answer 1

Answer:

25% profit

Step-by-step explanation:

let the selling price of 1 books = x

10 books = 10x

SP of 12 books = 12x ---1

A.T.Q

SP of 10 books = CP of 12 books

10x = CP price of 12 books ----2

Profit = SP - CP

= 12x - 10x ( we have taken sp of 12 books because we have compare with equal no. of things )

PROFIT = 2x ....

now profit % =

$\frac{profit}{cp} \times 100$

$\frac{2x}{10x} \times 100$

$\frac{1}{5} \times 100$

25 % ....is the answer

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