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ella [17]
2 years ago
5

A clothing store bought a sweater for a certain price and marked it up 70%. The sweater didn't sell, so the store owner took 25%

off the original sale price and it sold at that price. What percent profit did the store make?
Mathematics
2 answers:
Leokris [45]2 years ago
6 0

Its easy to solve this problem by <em>taking 100 as the cost price of the sweater.</em>

If it is marked up 70%, the selling price is 70% more than 100, which is 170 as shown below:

Selling price = 100+(0.7)(100)=100+70=170


Now we need to subtract 25% of 170 from 170 to get his new price (at which he sold).

New price = 170-(0.25)(170)=170-42.5=127.5

He sold it for $127.5. So how much profit did he make?

Profit = Income - Cost = 127.5-100=27.5 dollars

<em>In percentage</em>, \frac{27.5}{100}*100=27.5%


ANSWER: 27.5% profit


Papessa [141]2 years ago
4 0

The answer is 50%, to get this you take the original percentage in this case 70% and you subtract that by the new sale price which is 25% to get your answer of 50%

75%-25% =50%
Enjoy the rest of your evening


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Answer:

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Applying differentiation in relation to time we get:

dA(c)/dt   =  π*2*x* dx/dt    

In this equation we know:

dA(c)/dt  = 0,5 m²/sec

And are looking for dx/dt then

0,5  = 2*π*x*dx/dt    when the area of the sheet is 12 m²  (1)

When  A(c) = 12 m²      x = ??

A(c)  =  12  =  π*x²      ⇒    12  =  3.14* x²    ⇒  12/3.14  =  x²

x²  = 3,82     ⇒   x  = √3,82    ⇒  x = 1,954 m

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0,5  = 6,28*1,954*dx/dt

dx/dt  =  0,5 /12.28

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7 0
1 year ago
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lutik1710 [3]
Let the distance of the first part of the race be x, and that of the second part, 15 - x, then
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5x + 2(15 - x) = 40 x 1.125
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Answer:

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Step-by-step explanation:

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Sides of tank respectively = 35 cm , 28 cm , 16 cm  

Water level in tank = 2/5

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Amount of water left in tank

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Volume level in rectangular tank = [2/5][35 x 28 x 16]

Volume level in rectangular tank = [2/5][15,680]

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Now, you need to add that amount to the price of the lunch:

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