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Tasya [4]
2 years ago
13

The cost of C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?

Mathematics
1 answer:
hichkok12 [17]2 years ago
4 0

well...

15 x 20 = 300

300+85 = 385


you can get 20 watches for $385


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Answer:

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Step-by-step explanation:

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Approximately 9 out of every 50 people who saw a movie this week say they watched it on Netflix. Suppose we want to find the pro
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Answer:

<u></u>

  • <u>1. As a fraction: 9/50</u>
  • <u>2. As a proportion: x/1 = 9/50</u>
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<u></u>

Explanation:

<u>1. As a fraction:</u>

Depart from the definition of probability: probability is the number of favoragle outcomes divided by the total number of possible outcomes:

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A proportion is the equality of two ratios. In this case you must set the ratio of people who say they watched it on Netflx, x, per every people who saw a movie this week, 1, equal to the ration 9 /50.

Hence, the proportion that shows the probability is:

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Where x is the probability.

<u>3. As a percentage</u>

You just have to multiply the probability by 100:

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Step-by-step explanation:

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