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3 years ago

A shirt purchased for $20. The store owner will sell it for a 40% mark up. What will the new price be?

Mathematics

2 answers:

ElenaW [278]3 years ago

7 0

Answer:

$28

Step-by-step explanation:

So we know the shirt is $20, and the owner is raising the price by 40%. That means we are adding $20 to 40% of the cost of the shirt

$20 + 40%

So we have to figure out how much 40% of $20 is. To do that, you can use fraction or decimal type

40% is the same thing as 40/100 or 0.4. So you will multiply either of them by $20 to find how much 40% of $20 is.

40/100 * 20 = 8

0.4 * 20 = 8

Now we know that 40% of $20 is $8. So now we will add 8$ to $20

20 + 8 = 28

The new price will be $28

Kazeer [188]3 years ago

3 0

40%=0.4

0.4(20)
8(markup)

Shirt price=$20+ $8

New price=$28

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4 years ago

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Catarina and Tom want to buy a rug for a room that is 9 by 19 feet. They want to leave an even strip of flooring uncovered aroun

oksano4ka [1.4K]

Answer:

17ft wide

Step-by-step explanation:

The room is 9 by 19ft

Length (x) = 19ft

Width(y) = 9ft

Area of the rug = 119ft^2

x*y = 119 ...........(1)

For the second equation we will make sure the strip around the room is uniform in size

9 - x = 19 - y

-x = 19 - 9 -y

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x = y - 10 ..........(2)

Put the value x in equation 1

(y - 10)y = 119

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y^2 - 10y - 119 = 0

a = 1, b = -10, c= -119

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y = (-b +/-√b^2 -4ac) / 2a

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y = (10+/-√ 576 ) / 2

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3 years ago

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denis23 [38]

Answer:

81000 people went to Bonnaroo.

192000 people went to Lollapalooza.

Step-by-step explanation:

Given:

Total number of people attending festivals, $N=273000$

Number of people attending Lollapalooza is 30,000 more than twice the people attending Bonnaroo.

Unknown:

Number of people attending Lollapalooza and Bonnaroo.

Let the number of people attending Bonnaroo be $x$ .

Therefore, the number of people attending Lollapalooza is equal to $30000+2x$

Evaluate:

Sum of people attending Bonnaroo and Lollapalooza is equal to the total number of people attending the festivals. So,

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Substitute and Solve:

Now, we have, $x=81000$ .

Substitute 81000 for $x$ and solve for the number of people attending both the festivals. This gives,

Number of people attending Bonnaroo = $x=81000$

Number of people attending Lollapalooza = $30000+2x=30000+2(81000)=30000+162000=192000$

Therefore, 81000 people went to Bonnaroo and 192000 people went to Lollapalooza.

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