SOLUTION: 7. Joey has $5.75 made up of all dimes and quarters. If Joey has 38 coins, how many of each coin does he have?

Question 1091999: 7. Joey has $5.75 made up of all dimes and quarters. If Joey has 38 coins, how many of
each coin does he have?
Answer by ikleyn(52905) (Show Source): You can put this solution on YOUR website!
.

Let Q be the number of quarters.

Then the number of dimes is (38-Q).


Your "value" equation is

25Q + 10*(38-Q) = 575  cents.


Simplify and solve it for Q.

Good luck and happy learning !!

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For coin problems and their detailed solutions see the lessons in this site:
    - Coin problems
    - More Coin problems
    - Solving coin problems without using equations
    - Kevin and Randy Muise have a jar containing coins
    - Typical coin problems from the archive
    - 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.

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