Answer:
Europe 1.86 VS 0.79 US
Step-by-step explanation:
All you have to do is take US gass prices and simply divide it by four then compare.
X + 9= 7
get x by itself you -9 on both sides
X + 9 = 7
- 9. -9
X = -2
(x+20) + (x-9)
10...