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hoa [83]
3 years ago
8

240 decreased 15% find percent and total amount

Mathematics
1 answer:
Doss [256]3 years ago
7 0
Hello!

"Decrease" means to take away, so subtraction would be used here.

We must find out 15% of 240 is, and to do that we will convert the percentage to a decimal by dividing by 100, and then multiply the decimal by 240.

^ I know, that's probably a lot to take in at once! :D

15% ÷ 100 = 0.15

240 × 0.15 = 36

Now that we know what 15% is, we must subtract it:

240 - 36 = 204

Final Answer:

204 is the total amount after a 15% decrease.
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On average the number of electronic keyboards sold in New York each year is 75,072, which is eight times the average number of e
ser-zykov [4K]

Answer:

9,384 electronic keyboards.

Step-by-step explanation:

<u>Question asked:</u>

How many electronic keyboards, on average, are sold each year in Alaska?

<u>Solution:</u>

Let number of electronic keyboards, on average, are sold each year in Alaska = x

<u>Given:</u>

The number of electronic keyboards sold in New York is eight times the average number of electronic keyboards sold each year in Alaska:-

On an average, keyboards sold in New York = 8 times that of Alaska

75,072 = 8\times x\\ \\  75,072=8x\\ \\ Dividing\ both \ sides\ by\ 8\\ \\ \frac{75072}{8} =\frac{8x}{8} \\ \\ 9384=x

Therefore, 9,384 electronic keyboards, on average, are sold each year in Alaska.

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Answer:

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Step-by-step explanation:

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