SOLUTION: A jar contains 40 Coins consisting of dimes and quarters and having a total value of $4.90. How many of each coin are there?
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Question 153438: A jar contains 40 Coins consisting of dimes and quarters and having a total value of $4.90. How many of each coin are there?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Remember:
Number of dimes =
Number of quarters =
So, ----------------------------------------> eqn 1
Also,
---------------------------------------> eqn 2
In eqn 1 we get, , substitute this in eqn 2:
-------->
--------------------------------------> no. of dimes
In eqn 1:
--> ----------------> no. quarters
In doubt? Go back eqn 2:
Thank you,
Jojo
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