Pat, kate and mark charged a total of 216 hours to a certain project . If pat charged twice as much time to the project as kate and 1/3 as much times as mark, how many more hours did mark charge to the project than kate.	Choose the correct choice from the following answers
A) 18 B) 36 C) 120 D) 90 E) 108
Let Kate charge for x hours,   then Pat charged for 2x and Mat - for 6x.   So, 2x+6x+x = 216 -total hours charged for,   x= 24.   Mat charged 6x-x or 5x for more hours than kate, or for 120 hours .   120 is correct
<result>C</result>
Pat, kate and mark charged a total of 216 hours to a certain project . If pat charged twice as much time to the project as kate and 1/3 as much times as mark, how many more hours did mark charge to the project than kate.