The answer is answer choice 3
He drove 56 miles because if you divide 168 and 3 it equals 56.
3x + 2y = 12
subtract 3x from both sides
2y = -3x + 12
divide all terms by 2 so that you can have only the y on the left side
y = -3/2x + 6
And that is your answer!
Hope this helped!! :)
Answer:
26 miles per gallon
Step-by-step explanation:
-4 x 9= -36 and the when you add 5 to -36 you get -31. Hope this helps