Answer:
A
Step-by-step explanation:
Answer:
x=1
Step-by-step explanation:
In order to solve this equation, we must add 7 to each side. This gives us x=1

Answer:
15%
Step-by-step explanation:
Set up a proportion.
Cross-multiply.
Divide both sides by 90.
The discounted price is 85% of the regular price so the
discount is 15%.