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Mathematics 18 Online
OpenStudy (anonymous):

A waiter earned $23 in tips in an hour. He was paid in $1 bills and $5 bills. Use a model to determine how many $5 bills he received if he received a total of 15 bills. 1 2 3 4

OpenStudy (luigi0210):

x+y=15 x+5y=23 ----------------------------------- where x is one dollar bills and y is 5 dollar bills

OpenStudy (anonymous):

ughh idk

OpenStudy (luigi0210):

Use substitution or elimination to solve

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