Homework Help: math

Posted by Jane on Monday, November 26, 2012 at 11:00am.

Joseph sold tickets to the school musical. He had 12 bills worth $175 for the ticketssold. If all the money was $5 bills, $10 bills, and $20 bills, how many of each bill did he have?

math - Steve, Monday, November 26, 2012 at 11:34am
if he had x,y,z bills of $5,$10,$20 respectively,

x+y+z = 12
5x+10y+20z = 175

A third equation would help, so we have to do some trial and error.

1 $5
5 $10
6 $20
math - janet, Tuesday, December 4, 2012 at 7:50am
5

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