Homework Help: Math

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

Jane has only $1 and $5 in her wallet, and they total $79.00. If she has a total of 23 bills, how many of each bill does she have?

Math - Ms. Sue, Wednesday, July 27, 2011 at 1:42pm
Let 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 1:56pm
Thank you Ms. Sue
Math - Ms. Sue, Wednesday, July 27, 2011 at 1:59pm
You're welcome, Mark.

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