Question

At this rate how many gallons of gas would he need to drive 243 miles

Answer 1

The amount fuel used to drive 405 miles is 20 gallons.

Determine the amount of fuel (gallon of gas) required to drive 1 mile.

`(20)/(405)\text{ gallons}`

Determine the amount of gas required to drive 243 miles.

`(20)/(405)\cdot243=12`

So 12 gallons of gas is reuired to drive 243 miles.

Answer: 12 gallons