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never [62]
3 years ago
13

devi bought 7 skirts at x$ each n skirts at 12$ each 2n +1 at 15 each a nd 4 skirts at $3x find the total

Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

$(19x + 42n + 15)

Step-by-step explanation:

Devi bought 7 skirts at $x each, n skirts at $12 each, (2n + 1) skirts at $15 each and 4 skirts at $3x each. Find the total cost of the skirts she bought.​

total cost of the skirt bought can be determined by adding the  total costs of each shirt bought

7 skirts at $x each = $7x

n skirts at $12 each = $12n

(2n + 1) skirts at $15 = (2n + 1) x 15 = 30n + 15

4 skirts at $3x each = $12x

7x + 12n + 30n + 15 + 12x

combine like terms

19x + 42n + 15

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3 0
3 years ago
Read 2 more answers
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7 0
3 years ago
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If (x^2 – 4) ÷ (x + 2) = x -2, which polynomial should fill in the blank below?
tankabanditka [31]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Your brother is 1/3 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equ
kati45 [8]

Answer:

Your age(a) is 15 in this case.

If your brother is 1/3 of your age, that means multiply your brother's age by 3

Your sister is 9, and is 4 years older than your brother. In that case, we now know that your brother is 5

With that information, we can put this into a valid equation.

------------------------------------------------------------------------------------------------------------

<em>turn 1/3 into a flipped fraction, 3/1 which is equal to 3</em>

<em>your brother's age is 5, so the first value would be 5</em>

<em>5 times 3 is 15, so that means a is 15</em>

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7 0
2 years ago
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Sonbull [250]

Answer:

D. A withdrawal of $30 from a bank account

Step-by-step explanation:

When it says magnitude it doesn't matter if it's a positive or negative number.

So it's just asking which number is the greatest which is 30.

I hope my explanation makes sense and helps you out.

5 0
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