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Posted by **Mark** on Wednesday, July 27, 2011 at 1:35pm.

- Math -
**Ms. Sue**, Wednesday, July 27, 2011 at 1:42pmLet x = $1 bills.

Let y = $5 bills

x + 5y = 79

x = 79 - 5y

x + y = 23

79 - 5y + y = 23

79 - 23 = 4y

56 = 4y

14 = y

- Math -
**Mark**, Wednesday, July 27, 2011 at 1:56pmThank you Ms. Sue

- Math -
**Ms. Sue**, Wednesday, July 27, 2011 at 1:59pmYou're welcome, Mark.

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