Answer:
I think it is A but not 100% sure.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Keep
and group -3x+8x which becomes 5x. Then keep -6.
Then it becomes the answer above.
Car A: 24.8 Miles per gallon.
Car B: 21 Miles per gallon
Car C: 18.75 Miles per gallon
Car A is the answer. Make sure when you are putting work you multiply each number at the start of this answer with 0.62. That'll be how many Kilometers per gallon. Just divide the amount of Miles by the gallons for unit rate.
28, because when you divide you get about 28. good luck!