A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 40 worth of diesel fuel?	Choose one:  A) 20 seconds  B) 1 minute  C) 1 minute 20 seconds  D) 20 minutes  E) 1 hour 20 minutes
No. of gallons = 40 / 1.25= 
<gadget id="calculator">40 / 1.25</gadget>
<output>32</output>
32   for 2 gallons it takes 5 secs   for 32 gallons it will take 80 secs= 1 min and 20 secs   Answer: 1 minute 20 seconds
<result>C</result>
A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 40 worth of diesel fuel?