SOLUTION: A school club is having a bake sale and uses the formula P = 5x + 3y to determine the profit, P, for selling x cupcakes and y brownies. Which formula can be used to determine the n

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A school club is having a bake sale and uses the formula P = 5x + 3y to determine the profit, P, for selling x cupcakes and y brownies. Which formula can be used to determine the n      Log On


   

Question 1173112: A school club is having a bake sale and uses the formula P = 5x + 3y to determine the profit, P, for selling x cupcakes and y brownies. Which formula can be used to determine the number of cupcakes sold?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
P=5x+3y
solve for x, number of cupcakes. Isolate x
5x=P-3y
divide by 5
x=(P-3y)/5