Question

Plz help me

The monthly salary of a man increased from N2,700 to N3,200. Find the

percentage increase

A 10% . B 15% . C 15.6%. D 18.5%​

Answer 1

`D`

Explanation:

`2700*(1+x/100)=3200`

`1+x/100=3200/2700`

`1+x/100=32/27`

`x/100=32/27-1`

`x/100=5/27`

`27x=500`

`x=500/27`

`x=18.518518518518`