An oil change at city auto is regularly $30 Mr. Allen has a coupon for 15% off.


Which equation can be used to find the sale price, S, of an oil change?


1. s=0.85 divided by 30

2. s=85 divided by 30

3. s=0.85(30)

4. s=85•30

Respuesta :

Answer: s = 0.85(30)

Step-by-step explanation:

i just did it on my iready and it was the correct answer

Answer:

3. 0.85(30)

Step-by-step explanation:

If he had 15% off, then 85% would be left.

100% - 15% = 85%

0.85(30)

25.50

The sale price is 20 and the answer is 3. s=0.85(30)