SOLUTION: james has a total of 12 bills in his wallet.some are 5's some are 10's.total value is 115.00. how many fives and how many 10 does he have

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Question 381612: james has a total of 12 bills in his wallet.some are 5's some are 10's.total value is 115.00. how many fives and how many 10 does he have
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

Let x and (12-x)represent the number of 5's and 10's respectively

Question states***

 5x + 10(12-x) = 115

Solving for x

-5x + 120 = 115

     5 = 5x

     1 = x, the number of fives, number of tens is 11.  (12-1)



CHECKING our Answer***

  $5 + $110 = $115