Answer: 5 + 1/4G
Explanation:
From the question, Phil starts with G gallons of gas in his tank and Phil used 3/4 of gas. This means:
G - 3/4 = 1/4G
He is left with 1/4G and and then fills the tank with 5 gallons. The expression that represents the amount of gas now in his tank will be:
= 1/4G + 5 or 5 + 1/4G