SOLUTION: a sample of nickels and dimes totals $7.10. If there are 90 coins in all, how many of each type of coin are there?

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Question 630056: a sample of nickels and dimes totals $7.10. If there are 90 coins in all, how many of each type of coin are there?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

a sample of nickels and highlight%28x%29dimes totals $7.10. 90 coins in all

Question states***  Note:  CENTS makes Sense

 10x + 5(90-x) = 710 ¢ 

         5x = 260

          x = 52, number of dimes.  there are 38 nickels   90-52

and...

  520+%2B+190+=+710  or $7.10