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?  Choose the correct choice from the following answers:	A) 50 seconds	B) 1 minute	C) 1 minute 20 seconds	D) 20 minutes	E) 1 hour 20 minutes
2 gal / 5 sec   $2 / gal   $40/$2 = 20 gal   2 gal / 5 sec with 20 gal   40/ 2= 
<gadget id="calculator">  40/ 2</gadget>
<output>20</output>
20 gal   2 gal / 5 sec with 20 gal= 50 sec   A. 50 seconds
<result>A</result>
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?