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.

Question

Pick all the expressions that represent the sale price of the backpack.
Scratchpad

Answer 1

1) 0.75b
2) (1-0.75)b
3) b - 0.75
4) 0.25b