Question

pls answer only question 8
I will mark branliest if it is an appropriate answer......
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Answer 1

Answer:

40

Step-by-step explanation:

Given:

A man sold a book at a loss of 20%

If he had sold the book for Rs. 12 more then he would have gained 10%

To find:

The cost price of the book

Solution:

Let "x" represent the cost price of the book.

The formula used to calculate the S.P. is as follows:S.P=((100+G%)/100)×C.P and S.P=((100-L%)/100)×C.P

The S.P. of the book =

Now, if the man had sold the book for Rs. 12 more then he would have made a profit of 10%, so accordingly we can form an equation as,

Thus, the cost price of the book is Rs. 40.

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