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daser333 [38]
3 years ago
10

John heard a car stereo system was on sale for 30% off. If the sale price was $57.75, what was the original price of the stereo?

Mathematics
1 answer:
slavikrds [6]3 years ago
4 0

Answer:

75.075 dollars

Step-by-step explanation:

Thirty percent of 57.75 is 17.325.

Then, we can add 57.75 with 17.325 to get 75.075 dollars.

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The countries population in 1991 was 231 million . In 1999 it’s was 233 million. estimate the population in 2003 used The expone
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Answer:

The population in 2003 was 234  million

Step-by-step explanation:

In order to calculate the population in 2003 we would have to use the The exponential growth formula as follows:

p(y)=ir^t

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Therefore, 233 million=231 million r^(1999-1991)

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Therefore, in 2003   p(2003)=231 million(233 million/231 million)^((2003-1991)/8)

p(2003)=231 million(233 million/231 million)^(1.5)

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4 years ago
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4 0
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