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Ivenika [448]
3 years ago
7

4) A sales associate in a department store earns a commission on each suit and each pair of shoes sold. One week, she earned $47

in commission for selling 3 suits and a pair of shoes. The next week, she earned $107 in commission for selling 7 suits and 2 pairs of shoes.
a) Write a system of equations to represent the situation. Explain what your x and y will represent.


b) Solve the system of equations.


c) How much commission does she earn for selling each suit and each pair of shoes?
Mathematics
1 answer:
NeX [460]3 years ago
8 0
Answer a write a system of equation 
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Bess [88]

Answer:

y = -2x - 1

Step-by-step explanation:

Formula is y = mx + b

m = slope

slope = change in y/change in x = (-1 - 3) / (0 - -2) = -4/2 = -2

So equation is now y = -2x + b

To find b, substitute any value from the table into the equation. Let's use (-2,3)

y = -2x + b

3 = -2(-2) + b

3 = 4 + b

-1 = b

So equation is y = -2x - 1

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

I tried to graph them as best as I could, I hope this helps!

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Step-by-step explanation:

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