Question 408634
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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