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