if A is 150% of B then B is what percent of (A+B)

Question

please explain me in detail

Answer 1

A = (150/100)B = (3/2)B

 

This means that A + B = (3/2)B + B = (5/2)B.

 

Then B over A + B is the same thing as B over (5/2)B which is 2/5.

 

2/5 = 40/100 = 40%