natewhite63 natewhite63
  • 04-04-2017
  • Mathematics
contestada

one week she had 38 coins, all of them dimes and quarters. when she added them up, she had a total of 6.95, how many dimes did she have

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Аноним Аноним
  • 04-04-2017
65 is the highest so yeah hope it helps
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irspow
irspow irspow
  • 04-04-2017
d+q=38, solve for q

q=38-d

And we are told that 25q+10d=695, using q found above we have;

25(38-d)+10d=695

950-25d+10d=695

-15d=-255

d=17

So she had 17 dimes.


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