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2 years ago

What is the value of x?

Mathematics

2 answers:

deff fn [24]2 years ago

8 0

The value of X is 50
X=50

Hunter-Best [27]2 years ago

3 0

Since these angles are across each other they have to equal each other so
3x-30=2(x+10)
3x-30=2x+20
-2x -2x
x-30=20
+30 +30
x=50

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Cost price of 1 shirt :

$=\tt \frac{5400}{200}$

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Price at which the department store sold each shirt = $30

Which means :

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Since selling price is greater than cost price, there was a markup in the price of the shirts.

We know that :

$\color{hotpink}\tt \: markup \: percentage = \color{plum} \frac{selling \: price - cost \: price}{cost \: price } \times 100$

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$= \tt \frac{3 \times 100}{27}$

$= \tt \frac{300}{27}$

$\color{plum} = \tt11.1 \%$

Thus, the percentage of markup = $\tt 11.1 \%$

Therefore, the percentage of markup in the shirt's price = $\color{hotpink} \tt11.1 \%$

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