A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds.

A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 2 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 50 worth of diesel fuel?

Quiz

Answer/Solution

50 seconds

Steps/Work

2 gal / 5 sec
$2 / gal
$40/$2 = 20 gal
2 gal / 5 sec with 20 gal = 50 sec
A. 50 seconds