All books in a store are being discounted by 40%. let x represent the regular price of any book in the store which expression de

Question

alexandr402 [8]

3 years ago

10

All books in a store are being discounted by 40%. let x represent the regular price of any book in the store which expression de

scribes the sale price of a book ?

Mathematics

1 answer:

antoniya [11.8K] · Answer 1 · 2022-03-08T08:22:35+03:00

To find the sale price we can set up a proportion. 25/100 = x/48. We keep the 100 and 48 both on the bottom of the fraction since they represent the "whole". x represents the discount off the full price of the dress. To solve this proportion, we cross multiply, yielding 48 * 25 = 100x. Alternatively, if you notice that 25/100 ...