SOLUTION: A sum of 2440 is made up of $100 and $10 notes. There are six times as many $100 notes as there are $10. Find the number of $100 notes.

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Question 1092451: A sum of 2440 is made up of $100 and $10 notes. There are six times as many $100 notes as there are $10. Find the number of $100 notes.
Found 3 solutions by ikleyn, josgarithmetic, Alan3354:
Answer by ikleyn(52855)   (Show Source):
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.
Hint. Each group of (six $100 notes and one $10 note) is worth $610, and you can group all the notes in such groups/sets.

Now divide 2440 by 610 and make all necessary conclusions on your own.

This problem is for MENTAL solution.

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There is entire bunch of lessons on coin problems
    - 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
    - More complicated coin problems
    - Solving coin problems mentally by grouping without using equations
    - Santa Claus helps solving coin problem
    - OVERVIEW of lessons on coin word problems
in this site.

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 and become an expert in solution of coin problems.

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.

Answer by josgarithmetic(39625)   (Show Source):
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h, hundreds
t, tens

Answer by Alan3354(69443)   (Show Source):
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24