Question

A car can travel 20 miles on a gallon of gas. Write and solve an inequality

to show at least how many gallons of gas are needed to travel 100 miles?
Let g = gallons of gas.

Answer 1

To travel 100 miles, at least 5 gallons of gas are needed.

Step-by-step explanation:

To find out how many gallons of gas are needed to travel 100 miles, we can set up an inequality. Letting g be the gallons of gas, we know that the car can travel 20 miles on one gallon. So the inequality would be: 20g ≥ 100.

To solve for g, we divide both sides of the inequality by 20: g ≥ 5.

Therefore, at least 5 gallons of gas are needed to travel 100 miles.

Learn more about Gallons of gas needed to travel a given distance