NEED ANSWERED NOW 40 POINTS Sally has a jewelry business. To make a certain necklace, she spends $2.51 on materials and $4.38 on labor. She then sells the necklace for $17.99. Lucy’s profit on the necklace is equal to the sale price minus the cost of materials and labor.
(a) How much profit does Sally earn when she sells a necklace?
(b) What fraction of the sale price of the necklace is profit?
(c) What decimal of every dollar of the sale price of the necklace is profit? Round your answer to the nearest hundredth.
(d) Sally collected $269.85 selling necklaces at a craft fair. How many necklaces did Lucy sell?
(e) How much profit did she earn?