Question

The cost of 8 pencils is equal to the selling price of 7 pencils. Find the gain percent.
TT
11​

Answer 1

Explanation:

Let the the cost price of one pencil be x.

and selling price be y

the cost price of 8 pencil equals to 8x.

and is a selling price of 7 pencils is 7y

According to the question :-

Cost price of 8 pencil equal to the selling price of 7 pencil.

=> 8x = 7y

Answer 2

Answer:

cp=8

sp=7

gain=?

cp and sp are equal

cp of pencil = 8

sp of 7 pencils = cp of 6 pencils = 6

gain = (sp) - (cp) = (8-7)= 1

gain = (gain/cp×100)

gain = (1/8×100) = 25 answer

Explanation: