Set up and solve a system of equations to solve the problem. The school band sells carnations on Valentine's Day for $3 each. It buys the carnations from a florist for
$0.50 each, plus a $20 delivery charge. When will the cost of the carnations be equal to the revenue from
selling them? How many carnations does it need to sell to reach this point?
carnations. It will reach
The cost of the carnations will be equal to the revenue when it has sold
this point after it sells carnations.