Unit 2: Equations – Instructor Graded Project
You must show your work on all problems.
You may type your answer right into this document.
Total points for project:
45 points.
Projects must be submitted as a Microsoft Word document and uploaded to the Dropbox for Unit 2
.
All Projects are due by Tuesday at 11:59 PM ET of the assigned Unit.
NOTE:
Project problems should not be posted to the Discussion threads. Questions on the project problems
should be addressed to the instructor by sending an email or by attending office hours.
Part I.
Basic Computations
1.
A discount store sold plastic cups for $2.75 each and ceramic cups for $5.50 each.
a.
If 500 cups were sold for a total of $1897.50, how many cups of each type were sold?
(5 points)
Answer:
b.
What was the dollar value of each type of cup sold? (5 points)
Answer:
2.
Cora Zayas is a buyer for a large manufacturing company . She can purchase 200 pounds of chemicals
for $85.
She can also purchase mixing vats for $500 each.
Sales tax on all products is 6% of the total
cost of the order.
Shipping costs for her order will be a flat $40.
a.
At this same rate, how much would 4,000 pounds of chemicals cost? ( 5 points)
Answer:
b.
This month she doesn’t know yet how many mixing vats she will need to order.
Let y = number
of mixing vats required.
Write an equation using y that she can use to determine the total amount of her
order.
Assume no chemicals are ordered, only vats.
(5 points)
Answer:
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Case Study
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 Fall '11
 DOUGLASCOPELAND
 Math, Equations, Imperial units, square feet, serviceoriented business, Malachai

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