Gallon of gas be x
4x=20
x=5
per gallon=32m
with 5 gallon=32*5=160
Answer:
They should insert that y value into the other equation.
Step-by-step explanation:
Sugar: x pounds
flour: 2x + 5 pounds
2x + 3(2x + 5) = 40
2x + 6x + 15 = 40
8x = 25
x = 3.125
-> a sack of flour is 3.125 + 5 = 8.125 pounds
I hope it‘s coorect