Question

if the selling price of 4 books is equal to the cost price of 5 books then what is the percentage of the profit

Answer 1

4 × sp = 6 × cp
sp4 = cp 6
sp 2 = cp 3
than, ratio of cp : sp= 2: 3
% profit= (3-2)/2× 100= 1/2 ×100= 50%

Answer 2

Answer:

25%

Step-by-step explanation:

CP=4

SP=5

Gain=SP-CP=5-4=1

percentage= gain/cp×100= 1/4×100=25%