Lucy has a jewelry business. to make a certain necklace, she spends $3.38 on materials and $5.57 on labor. she then sells the necklace for $15.99. lucy’s profit on the necklace is equal to the sale price minus the cost of materials and labor. (a) how much profit does lucy earn when she sells a necklace? what fraction of the sale price of the necklace is profit? record your answer as a fraction using whole numbers. (b) what decimal of every dollar of the sale price of the necklace is profit? show your work. round your answer to the nearest hundredth. (c) lucy collected $223.86 selling necklaces at a craft fair. how many necklaces did lucy sell? how much profit did she earn? show your work.

Profit $7.04

Fraction is profit 704/1599

.44 of every dollar is profit

She sold 14 necklaces at a profit of $98.56

Step-by-step explanation:

Profit = sale price - materials - labor

We know the sales price =15.99

                         materials = 3.38

                          labor = 5.57

Profit = 15.99 -3.38 - 5.57

          =7.04

Fraction is profit = profit / total

                            = 7.04/ 15.99

Multiply the top and bottom by 100 to clear the decimals

                             704/1599

in decimal form .440275172  which round to .44  (to the nearest hundredth)

She made 223.86 selling necklaces

Each necklace cost 15.99

223.86 = 15.99 * number of necklaces

Divide each side by 15.99

223.86 /15.99 = 15.99 * number of necklaces/ 15.99

14 = number of necklaces

The profit on each necklace was 7.04

7.04  * 14 necklaces =98.56

this story was prepared by jim

mccullaugh in los angeles and

al stewart in new york.

new york the colossal success of "top gun" appears to have dramatically altered madison avenue's

perception of corporate sponsorship

of home video projects.

the paramount home video re- lease, featuring a 60- second diet

pepsi spot, was by no means the

first prerecorded video to carry an advertiser's plug, but it was the

first major theatrical release to do so. in the aftermath of the title's

success, paramount is widely ex- pected to ink a similar deal for

"crocodile dundee" or "star trek

iv" or both.

corporate america's new attraccds push british

recording sales

to 19% gain

london fueled by the compact

disk boom, the value of u.k. manu- facturer shipments of recordings

rose 19% in the 12 -month period ended march 1987, according to the

british phonographic industry.

total value of u.k. shipments for

the period was $755 million for all

configurations. (all value figures

are based on an exchange rate of

$1.68 to the pound sterling.)

cd sales totaled 10.7 million units

worth $121.3 million- compared

with 3.7 million units worth $39.5

million in the prior 12 months -and

accounted for two -thirds of the

overall gain in trade value. at present growth rates, says the bpi, cd

sales for calendar 1987 will reach 20

(continued on page 79)

step-by-step explanation:

y=mx+b

step-by-step explanation:

m slope, b y-intercept