so, im t trying to find the original price and sale price of a book for example and the amount of discount is 2.80 dollars and the percent paid was 60 percent and percent saved was 40 %, plz help I just need the explanation of how to do it cause I got more of these problems

Respuesta :

SadafZ

Okay, so since the discount is 60% of the price and it comes out to $2.8, we are going to form the following expression, where x is the original price.

60% of x = 2.8

Simply means: 60/100 * x = 2.8

You solve for x, which comes out to $4, which is your original price.