SOLUTION: Bob has 60 coins of quarters and dimes. The coins combined value is $9.45. Find out how many of the coins are quarters and how many are dimes.

Question 408634: Bob has 60 coins of quarters and dimes. The coins combined value is $9.45. Find out how many of the coins are quarters and how many are dimes.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

60 coins of quarters and dimes

Let x and (60-x) represent the number of quarters and dimes respectively

Question states*** CENTS makes sense

 25x + 10(60-x) = 945 CENTS

Solving for x

       15x = 345

         x = 23, number of quarters. 37 dimes.  (6-23)

CHECKING our Answer***

 25*23 + 10*37 = 575 + 370 = 945 or $9.45 

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