SOLUTION: David owns a restaurant and wants to order 200 dinner sets. One design cost $20 per set and the other cost $15 per set. He has $3200 with which he has to buy the sets. How many of

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: David owns a restaurant and wants to order 200 dinner sets. One design cost $20 per set and the other cost $15 per set. He has $3200 with which he has to buy the sets. How many of       Log On


   

Question 1092225: David owns a restaurant and wants to order 200 dinner sets. One design cost $20 per set and the other cost $15 per set. He has $3200 with which he has to buy the sets. How many of each type of set should he buy if he has to use all the money and acquire 200 sets? Use the Elimination method
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=200
20x+15y=3200
15x+15y=3000
5x=200
x=40 at $20
y=160 at $15
check
20*40+15*160=3200
3200=3200