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

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) (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
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