Question

On the trip from KC to Springfield, the church van consumed 15 gallons of gas to go 179 miles. If gas cost $2.58 per gallon, what is the cost of a round trip to Springfield? (Total 358)

Answer 1

$77.4

Explanation:

GIVEN: On the trip from KC to Springfield, the church van consumed
`15` gallons of gas to go
`179` miles. If gas cost
`\$2.58` per gallon.

TO FIND: Cost of a round trip to Springfield.

SOLUTION:

Distance of springfield from KC
`=179\text{ miles}`

As it is a round trip total distance
`=2*179=358\text{ miles}`

As
`15` gallons gas used for
`179` miles distance

gas required for
`1` mile
`=(15)/(179)` gallons

gas required for
`358` miles
`=(15)/(179)*2=30` gallons

cost of one gallon of gas
`=\$2.58`

cost of
`30` gallons of gas
`=30*2.58=\$77.4`

Hence cost of roundtrip to Springfield is $77.4