Mathematics, 31.10.2019 01:31 tyijiapostell
The cost c (in dollars) per unit of making x photocopies at the office shop is given below.
--18 cents for at most 20 copies
--12 cents for more than 20 copies up to 50
--9 cents for more than 50 copies but less than 100
--5 cents for 100 copies or more but up to 200
--3 cents for more than 200 copies
(a) write the piecewise-defined function that represents the situation.
(b) explain why it would not be cost-effective to make 150 photocopies.
Answers: 1
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Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
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Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.
Answers: 1
The cost c (in dollars) per unit of making x photocopies at the office shop is given below.
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