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Svetradugi [14.3K]
3 years ago
13

In krissy’s collection, there are 15 action movies and 21 comedies. What is the ratio of qualities to action movies in Krissy’s

collection?
A) 5:7
B) 1:15
C) 15:1
D) 7:5
Mathematics
1 answer:
Alinara [238K]3 years ago
8 0
D, 7:5 because the original ratio is 21:15 (comedies:action), which can be dived by 3. 21/3=7 15/3=5
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Answer:

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With the given information, we know that the weekly earnings are:

x*$8 + y*$8.75

We can define this as the objetive function, the one that says how much money you get as a function of x and y:

M(x, y) = x*$8 + y*$8.75

Now, we know that:

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Then:

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Then we have:

M(x, y) = x*$8 + y*$8.75

And the system of inequalities is:

x ≥ 10

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