SOLUTION: define two variables. write two equations for each story problem 1.suppose you bought supplies for a party. three rolls of streamers and 15 party hats cost $30. later, you bought

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: define two variables. write two equations for each story problem 1.suppose you bought supplies for a party. three rolls of streamers and 15 party hats cost $30. later, you bought       Log On


   

Question 919432: define two variables. write two equations for each story problem
1.suppose you bought supplies for a party. three rolls of streamers and 15 party hats cost $30. later, you bought 2 rolls of streamers and 4 party hats for $11. how much did each roll of streamers cost? how much did each party hat cost.
30=3a+15b
11=2a+4b
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
30=3a+15b
11=2a+4b
It looks fine.
I would use more significant letters for variables
s for streamers and h for hats
30=3s+15h
11=2s+4h