SOLUTION: A box contains 69 ​coins, only dimes and nickels. The amount of money in the box is ​$5.25. How many dimes and how many nickels are in the​ box?

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Question 1114564: A box contains 69 ​coins, only dimes and nickels. The amount of money in the box is ​$5.25. How many dimes and how many nickels are in the​ box?
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Been done, 100's, maybe 1000's of times.
Look it up.

Answer by josgarithmetic(39799) About Me  (Show Source):
You can put this solution on YOUR website!
n, d,
nickels , dimes

system%28n%2Bd=69%2C5n%2B10d=525%29

system%28n%2Bd=69%2Cn%2B2d=105%29
Elimination gives the value for d very quickly.....