Problema Solution
John's annual salary after a raise of 15% is $45,000. What was his salary before the raise?
Answer provided by our tutors
After rise salary = $45000
this 45000 is basically 115%
so applying unitary method 1%=45000/115
100%=(45000/115)*100=$39130
or
x(1.15)=45000
x=45000/1.15
x=39310