SOLUTION: a number of dimes and quarters have a total value of 1975. if there are 5 fewer quarters than twice the number of dimes find the number of dimes. please use substitution or elimina

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Question 1179308: a number of dimes and quarters have a total value of 1975. if there are 5 fewer quarters than twice the number of dimes find the number of dimes. please use substitution or elimination to solve
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
What total value? Dollars or in cents?

d dimes
q quarters
2d-q=5
q=2d-5

Assuming you are given 1975 CENTS, then 10d%2B25%282d-5%29=1975, and you can do the rest.


If the missing money unit is "dollar", and that value is really $1975, then this means 197500 cents. You know what to do.
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10d%2B25%282d-5%29=197500
2d%2B5%282d-5%29=39500
12d-25=39500
12d=39525
d=3293.75---------the description of the problem(probably) is wrong.

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10d%2B25%282d-5%29=1975 if it WERE actually cents
2d%2B5%282d-5%29=395
12d-25=395
12d=420
highlight%28d=35%29---------the number of DIMES