SOLUTION: The total value of quarters and dimes in a coin bank is $6.90. If the quarters were dimes and the dimes were quarters, the total value of the coins would be $7.80.
a) set up a s
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Question 1141859: The total value of quarters and dimes in a coin bank is $6.90. If the quarters were dimes and the dimes were quarters, the total value of the coins would be $7.80.
a) set up a system if equations to represent the situation.
b) find the number of quarters in the bank.
please give details, thankyou
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
d dimes
q quarters
If the dimes and quarters were switched, then .
More than one way to go but initial system is
Try adding corresponding members.
and then dividing by 0.35,
Not a finished solution but only part of a path. (There are fourty-two coins).
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