Aubrey found an awesome deal on a new backpack when she went back to school shopping the backpack originally cost B dollars but it was on sale for 75% off pick all the expressions that represent the sale price of the backpack number one is 1-0.7 5B number two is 75B number 30.2 5B and number four is B -0.7 5B which one is the correct answer
The correct expression that represents the sale price of the backpack would be number four, B - 0.75B.
This expression represents the original price of the backpack (B) minus the discount amount (0.75B), which is 75% of the original price.