billey32
04.07.2020 •
Mathematics
7. A company manufactures shaving sets for $5 each and sells them for $7 each. How many shaving sets must be sold for the
company to recover an initial investement of $45,000 and eam an additional $15,000 as profit?
The company has to sell
$15,000 as profit.
shaving sets to recover an initial investment of $45,000 and earn an additional
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Ответ:
$30,000
Step-by-step explanation:
profit = amount of sales - expenses
The company spends $5 on each set. it sells each set for $7.
The profit on each set is $7 - $5 = $2.
For each set the company sells, it makes $2 of profit.
It cost the company $45,000 to start production, and the company wants a profit of $15,000. The company needs to earn $45,000 + $15,000 = $60,000 in profits.
Since the profit per set is $2, the number of sets it needs to sell is
$60,000/$2 = 30,000
30,000 sets
Ответ:
Consider a function of , keeping fixed:
Differentiate with respect to :
The denominator is always positive except in the case of , so the numerator determines where has its critical points. We have
When , we get a maximum curvature of