SOLUTION: Bob has a pile of 25 coins. There are nickels and dimes.the pile is worth 1.50.how many of each coin does bob have?

Question 465250: Bob has a pile of 25 coins. There are nickels and dimes.the pile is worth 1.50.how many of each coin does bob have?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

Let x amd (25-x)represent the number of dimes and nickels respectively

Question states***CENTS makes sense

 10x + 5(25-x) = 150

Solving for x

      5x =25

       x = 5, number of dimes.  20 Nickels.  (25-5)

CHECKING our Answer***

  5*10 + 5 *20 = 150 or $1.50 

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