SOLUTION: In a period of 2 hours, Dan can make 60 charms , While in the same amount of time Carvil can make 80. If Dan works alone, how many hours will it take to him to make 140 charms? A)

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: In a period of 2 hours, Dan can make 60 charms , While in the same amount of time Carvil can make 80. If Dan works alone, how many hours will it take to him to make 140 charms? A)      Log On

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Question 1143712: In a period of 2 hours, Dan can make 60 charms , While in the same amount of time Carvil can make 80. If Dan works alone, how many hours will it take to him to make 140 charms?
A)4 hours
B)4hr 20 min
C)4hr 40 min
D)5 hrs 20 min
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.

SOLUTION.  Dan makes 60/2 = 30 charms per hour.

           At this rate, he needs  140%2F30 = 42%2F3 hours = 4 hours and 40 minutes to make 140 charms.     ANSWER


P.S.  The info related to Carvil is IRRELEVANT.