Find the number of bills of each denomination that he has.

User Generated

UnybYbir

Mathematics

Question Description

A motel clerk counts $1 and $10 bills at the end of the day.  He finds that he has a total of 68 bills having combined monetary value of $248.  Find the number of bills of each denomination that he has.                              

Denomination    Number of Bills   Total Value

$1.                     x                      

$10.                   y

Total.                 $68                      $248

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Explanation & Answer

Thank you for the opportunity to help you with your question!

We have to solve the equation system : x+y=68 (1) and x+10y=248 (2)

You substract (1) from (2), you have 9y=248-68=180 so y=180/9=20

x=68-y=68-20=48

Finally x=48 and y=20

Hope it helps !!!


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zngurzntvpvra (180)
UC Berkeley

Anonymous
I was struggling with this subject, and this helped me a ton!

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