Question

A dress cost $63. If the store is having a 20% off sale, how much does the dress cost now? ( the answer is $50.40 but I need to know HOW to do it.)

Answer 1

$50.40

Explanation:

Make an equation:

20%

------ = -------

63 100%

1. 63 x 20= 1,260
2. 1,260/100=12.6
3. 63 - 12.6 = 50.40