Goh P.

asked • 02/13/18

Kim has the same number of $2 and $5 notes. The total value of all the notes is $28. How many $5 notes does Kim have?

Don’t use guess and check or listing

1 Expert Answer

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Andrew M. answered • 02/13/18

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Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

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Let x = number of each type of note
 
2x + 5x = 28
7x = 28
x = 4
 
Kim has 4 of the $5 bills and 4 of the $2 bills
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Goh P.

Is there other way than using algebra?
but still thanks..
 
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02/14/18

Andrew M.

Not sure how else.  What we are given equates
to 7(number of notes) = 28
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02/14/18

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