Question : 27 is 30 percent of what number?

27 is what percent of 30?
Answers 27 of 30 can be wriiten as: 27/30.

27/30 × 100/100 = 90/100 = 90%

If you are using a calculator, simply enter
27÷30×100 which will give you 90 as the answer.

The discount is 8.70 . you dont tell us the percent of tax added so there is no way to find out, unless i'm not seeing anything. without tax its 37.70