SOLUTION: A tin can that collects money on a store counter for the holiday season contains $15.80 in quarters and dimes. If there are a total of 74 coins, how many of each coin are there?

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Question 1099173: A tin can that collects money on a store counter for the holiday season contains $15.80 in quarters and dimes. If there are a total of 74 coins, how many of each coin are there?
Answer by ikleyn(52914)   (Show Source):
You can put this solution on YOUR website!
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25Q + 10*(74-Q) = 1580 cents. Solve for Q, the number of quarters.

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If you want to see more explanations and/or want to see more solved coin problems, look into the lessons
    - More Coin problems
    - Solving coin problems without using equations
    - Kevin and Randy Muise have a jar containing coins
    - Typical coin problems from the archive
    - Three methods for solving standard (typical) coin word problems
    - More complicated coin problems
    - Solving coin problems mentally by grouping without using equations
    - Santa Claus helps solving coin problem

You will find there the lessons for all levels - from introductory to advanced,
and for all methods used - from one equation to two equations and even without equations.

Read them attentively and become an expert in this field.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Coin problems".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.