Respuesta :

Answer:

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

Answer:

He can travel 45 miles with 3 gallons

Step-by-step explanation:

If he traveled 30 miles with 2 gallons then that would mean each gallon lasted 15 miles, 30/2=15, therefore if there were 3 gallons he would travel 45 miles, 45/3=15