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uranmaximum [27]
3 years ago
5

Devyn sold 15 boxes of cookies this week. This is 7 more than he sold last week. How many boxes did he sell last week?

Mathematics
1 answer:
jonny [76]3 years ago
8 0

8, 15 - 7 = 8 thats correct


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marysya [2.9K]

Answer:

$448

Step-by-step explanation:

You need to find 2% of 400.00, so you would do this: 0.02 · 400 = 8

That means $8 is 2% of 400, so all you need to do is multiply 8 by 6 to get 48. Add that number to the original $400, and you get $448.

<em>Hope this answers your question!</em>

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What is 2 times 3 times n times n = 54
kolezko [41]

If I'm reading this correctly, it is 2*3*n*n = 6n^2

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n^2 =  9      Take the square root of both sides.

sqrt(n^2) = sqrt(9)

n = +/- 3

n = + 3 or n = -3. Both will solve the equation above.

Edit

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Let n = 3

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The other value is n = - 2

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2 * 3 * 9 = 6 * 9 = 54

both + 3 and - 3 for n will give 54.

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