Question

Mary increases 120 by 30%. Which expression could Mary use to find the answer?

Answer 1

156 because 120+30%=156

Answer 2

Mary Increases 120 by 30%.

The expression to find the answer is

`120+(120*(30)/(100))`

The answe is 156

The value of the expression

`120*1.3`

is 156.

So, the correct option is (a)