Question

If a's income is 25% less than b's ,by what % is b's income greater than that of a ?

Answer 1

I think it's answer = 25%

Answer 2

b's income is 20% greater than a

Step-by-step explanation:

Given,

a's income is 25% less than b.

To find,

The % by which b's income is greater than a.

Solution,

• Let a's income be 100

• Then,b's income be 125
• If b's income is 125,then a's income is 100.
• If b's income is 100,then a's income is

$(\dfrac{100}{125}\times100)$=80

• Therefore, % of b's income greater than a =(100-80)%=20%