MacDonald Elementary School needs to raise money for new playground equipment. The students will be selling chocolate bars for $3 each. The chocolate bars will be purchased for $1.25 each. The school budgets $140 for flyers to be distributed to the houses in the school neighborhood.
(a) How many chocolate bars must the school sell to break even?
(b) How much money will the school make if it achieves its target of selling 1000 chocolate bars?