SOLUTION: You sell candles at a Fair. You collect $144 selling a total of 28candles. Selling price of small candle is $4 each and large candle Is $6 each. How many o

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: You sell candles at a Fair. You collect $144 selling a total of 28candles. Selling price of small candle is $4 each and large candle Is $6 each. How many o      Log On


   

Question 1064688: You sell candles at a Fair. You collect $144 selling a total of 28candles. Selling price of small candle is $4 each and large candle Is $6 each. How many of each type of candles did you sell? Set-up two equations (system) and then solve it.


Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x small candles
y large candles
system%28x%2By=28%2C4x%2B6y=144%29

system%28x%2By=28%2C2x%2B3y=72%29

Multiply members of first equation by to and use for elimination for finding y.

system%282x%2B2y=56%2C2x%2B3y=72%29

3y-2y=72-56
highlight%28y=16%29 --------highlight%28x=12%29