Question

Selling price of 10 copies is euqal to the cost price of 15 copies find the gained percentage

Answer 1

Answer:

50 %gain

Explanation:

Let selling price of 10 copies =cost price of 15 copies be rupee1

Sp of 1 copy=1/10 rupees

Cp of 1 copy =1/15 rupees

Gain =Sp - Cp

=1/10-1/15

1/30 rupees

Gain %=gain /Cp ×100

=50%gain