Time remaining:
set up the system and solve by elimination method.

Algebra
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A collection of dimes and quarters has a value of $3.55. if there are a total of 25 coins, how many dimes and quarters are there?

Apr 26th, 2015

Entire answer is in the file:

I started the question by setting up 2 equations. The first sets up the value of dimes ($0.10) times the unknown quantity (x) added to the value of quarters ($0.25) times an unknown value (y) set equal to $3.55. The second equation is the amount of quarters (y) plus the amount of amount of dimes (x) equal to 25 (the total amount of coins).

Prepaid 01.pdf

Apr 27th, 2015

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Apr 26th, 2015
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Apr 26th, 2015
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