Question

an article was sold for RS 250 with a profit of 5% what was its cost price?? solve this in a page or drawing so i can understand it . i am totally confused in this question help me plzz

Answer 1

Solution is in the attachment..

Answer 2

s.p=250
let c.p be x
thus, profit=250-x
profit%=[(profit)×100]÷c.p
5 =[(250-x)×100]÷x
=> 5x = [250-x)×100]
=> 5x/100 = 250-x
=> x/20=250-x
=> x/20 + x = 250
=> 21x/20=250
=> x=250×20/21
=> x= 5000/21
x is the cost price