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NARA [144]
2 years ago
15

As a salesperson, you are paid $50 per week plus $3 per sale. This week you want your pay to be at least $110. What is the minim

um number of sales you must make to earn at least $110?
Mathematics
2 answers:
alexgriva [62]2 years ago
7 0
110 (goal) - 50 (base pay) = 60 (pay from sales only)

60 (total pay from sales) / 3 (cost per individual sale) = 20 (qty of sales)
Paul [167]2 years ago
6 0
3s+50=|110
           |-50
      <u>3</u>s= <u>60</u>
      3      3
        s =20

Therefore the salesperson will need 20 sales.
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Question:
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Answer:

part A) The scale factor of the sides (small to large) is 1/2

part B) Te ratio of the areas (small to large) is 1/4

part C) see the explanation

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Part A) Determine the scale factor of the sides (small to large).

we know that

The dilation is a non rigid transformation that produce similar figures

If two figures are similar, then the ratio of its corresponding sides is proportional

so

Let

z ----> the scale factor

\frac{CB}{C'B'}=\frac{CD}{C'D'}=\frac{BD}{B'D'}

The scale factor is equal to

z=\frac{CB}{C'B'}

substitute

z=\frac{4}{8}

simplify

z=\frac{1}{2}

Part B) What is the ratio of the areas (small to large)?

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<em>Area of the large triangle</em>

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