| A dealer sold 200 tennis racquets. Some were sold at $18 each and the rest were sold at $33 each. The total receipts from thse sales were $4800. How many racquets did he sell at $18? |
Let X = Number of TENNIS at $18 Let Y = Number of TENNIS at $33 X + Y = 200 18X + 33Y = 4800 X = 200 - Y 18(200 - Y) + 33Y = 4800 3600 - 18Y + 33Y = 4800 15Y = 1200 Y = 80 X = 120 |