I completed the test with the other guy's answer; it's wrong. It should be
-2,-4
-7,-6
-1,-13
4 × y - y = 36
4y - y = 36
Combining 4y and -y to get 3y
3y = 36
Dividing both sides by 3
y = 36/3
y = 12.
1 gallon is equal to 34 miles so 1g = 34 d it would take 17 gallons of gas to travel 578 miles
