Question

f a car gets 45.00 miles per gallon, and gas costs $2.95 per gallon, about how far can you get with $200? Report your answer with four significant figures.

Answer 1

3051 miles

Explanation:

The car can travel a distance of ...

$200 × (45.00 mi/gal)/($2.95 /gal) = (200×45/2.95) mi ≈ 3051 mi

___

If you pay attention to the units, it becomes an easy problem to cancel gallons and dollars from the value. Essentially, we multiply dollars times (miles per dollar). The result is miles.