Grayson's car used 2 gallons to travel 30 miles. How far can he travel on 3 gallons?

x = 45 miles

Step-by-step explanation:

We can use ratios to solve

2 gallons       3 gallons

 =

30 miles        x miles

Using cross products

2x = 3*30

2x = 90

Divide by 2

2x/2 = 90/2

x = 45 miles

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