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Ashley has 36 coins totaling $4.20 in quarters and dimes. How many of each coin does she have?

 Aug 13, 2021
 #1
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d = dimes           value = 10d

q = quarters = 36-d      value = 25 (36-d)         summed , these two = 420

 

 

10 d         +       25(36-d)         = 420     solve for d = the number of dimes ...then quarters = 36 - d

 Aug 13, 2021

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