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sp2606 [1]
3 years ago
12

Each CD at a music store is sold for $10. If n represents the number of CDs sold, which equation could be used to find the total

number of dollars, d, the store receives from CD sales?
Mathematics
1 answer:
Art [367]3 years ago
4 0

Answer:

10n = d

Step-by-step explanation:

We know that

Each CD is sold for 10 dollars

The music store has sold n amount of CD's

The total number of dollars 'd' depends on how many CD's were sold

The equation is: 10n = d

Hope this helps!

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5 0
3 years ago
Dr. Anderson found that 18 out of 30 children in the village tested positive for chicken pox. At this rate, how many would test
Artist 52 [7]

Answer:number of children negative for chicken pox=28

Step-by-step explanation:

Number of  children positive for chicken pox =18 out of 30

Therefore number  of children negative for chicken pox is 12 out of 30 ie ( 30-18)

Such that the ratio of positive tested chicken pox children to negative tested chicken pox children =18:12

Therefore  total ratio =18 +12=30

Suppose there are 70 children,then number of children negative for chicken pox =

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6 0
3 years ago
Tammy’s home cost her $184,000. She lives in an area with a lively real estate market, and her home increases in value by 3. 5
garri49 [273]

The profit to be made when she sells the house is $103,800.

The first step is to determine the value of Tammy's house in 13 years. The formula to be used is:

  • FV = P (1 + r)^n
  • FV = Future value  
  • P = Present value  
  • R = interest rate  
  • N = number of years  

$184,000 x (1.035)^13 = $287,767.92

Profit = value of the house in 13 years - cost of the house

$287,767.92 - $184,000 = 103,767 = $103,800

To learn more about future value, please check: brainly.com/question/18760477

5 0
2 years ago
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katen-ka-za [31]

Answer:

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Step-by-step explanation:

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agasfer [191]
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