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Answer:
since number 1 seems to be an explanation/lesson, I will use it as guide.
2. We will use the mathematical equation of Cost of Marketing = x² - 3x + 8
Now, we will substitute 50 to x
We have M = (50)² - 3(50) + 8
So the total cost of marketing 50 pairs of slippers is Php2358.00
3. We will use the mathemitical equation for marketing and manufacturing which are C = 20x + 15 and M= x² - 3x + 8
Substitute 50 to x for each equation
C = 20(50) + 15
= 1015
M = (50)² - 3x + 8
= 2385
Now, we have to add them. 1015 + 2358 = 3373
So the total cost of manufacturing and marketing 50 pairs of slippers is Php3373.00
4. We will use the mathematical equation for Income, R = 2x² + 6x
Substitute 50 to x
R = 2(50)² + 6(50)
= 5300
So the total income from selling 50 pairs of slippers is Php5300.00
5. We will use the mathematical equation for manufacturing, C=20x + 15
Substitute 20 to x
C = 20(20) + 15
= 415
So the total cost of manufacturing 20 pairs of slippers is Php415.00
:))
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