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mrsjenrucker
20.05.2021 •
Mathematics
I need help i don’t understand and i have limited time
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Ответ:
[tex] R(80,40)=322 [\tex]
Step-by-step explanation:
We have [tex] R(x,y)=p(x,y)+q(x,y) [\tex] because is the weekly total revenue function. If [tex] R(x,y)=R(80,40) [\tex], then we have,
[tex] x=80 [\tex]:
[tex] y=40 [\tex]:
And also we have,
[tex] p=200 -\frac{1}{5}x -\frac{1}{10}y [\tex]
[tex] p=200 -\frac{80}{5} -\frac{40}{10} [\tex]
[tex] p=200 -16 -4 [\tex]
[tex] p=180 [\tex]
and,
[tex] q=160 -\frac{1}{10}x -\frac{1}{4}y [\tex]
[tex] q=160 -\frac{80}{10} -\frac{40}{4} [\tex]
[tex] q=160 -8 -10 [\tex]
[tex] q=142 [\tex]
Then [tex] R(80,40)=180+142=322 [\tex], that means that Country Workshops earns 322 dollars per month under those conditions.
Analogously, If [tex] R(x,y)=R(60,100) [\tex] then [tex] p=178, q=129 [\tex], and [tex] R(60,100)=178+129=307 [\tex]. Country Workshops earns 307 dollars per month under those new conditions.