Question

The local hardware store is having a 15% off sale on lawnmowers this weekend X represents the original price of a lawn mower which answer Choice below shows two different Expressions that cold be used to find the price of any lawnmower pre-tax this weekend?

Answer 1

X - X * 0.15 = 0.85X

X * 0.85 = X - X * 0.15

Both of these expressions can be used to find the price of any lawnmower pre-tax this weekend. The first expression calculates the price by subtracting 15% of the original price from the original price, and the second expression calculates the price by multiplying the original price by 85%.