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stich3 [128]
3 years ago
7

On Monday 336 fourth graders went on a field trip to a local park. The teachers divided the students into 8 groups. Use a basic

fact. Estimate the number of students in each group. Show your work.
Mathematics
1 answer:
Anna [14]3 years ago
6 0

Answer:

About 40 (exact number is 42)

Step-by-step explanation:

You could simply do 336/8 but since it is asking you to estimate, so you could say that 40*8 is roughly around 336 students.


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3 years ago
A supply company manufactures masks and ventilators for hospitals. To maintain hugh quality, the company should not manufacture
notsponge [240]

Answer:

20 masks and 100 ventilators

Step-by-step explanation:

I assume the problem ask to maximize the profit of the company.

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v: ventilator

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Profit function:

P = 10*m + 65*v

The system of restrictions can be seen in the figure attached. The five points marked are the vertices of the feasible region (the solution is one of these points). Replacing them in the profit function:

point          Profit function:

(10, 100)    10*10 + 65*100 = 6600

(20, 100)    10*20 + 65*100 = 6700    

(50, 70)      10*50 + 65*70 =  5050

(50, 40)     10*50 + 65*40 = 3100

(10, 40)      10*10 + 65*40 =  2700

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