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il63 [147K]
3 years ago
12

Solve. 3(5z + 7) = 33

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
5 0

Answer:

z = 4/5

Step-by-step explanation:

Ivenika [448]3 years ago
3 0

Answer:

z = 4/5

Step-by-step explanation:

3(5z + 7) = 33

Divide each side by 3

3/3(5z + 7) = 33/3

5z+7 = 11

Subtract 7 from each side

5z+7-7 = 11-7

5z = 4

Divide by 5

5z/5 = 4/5

z = 4/5

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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

Markup percentage in the price of the shirts :

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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  \%

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2 years ago
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PIT_PIT [208]
The probability of having a 17 is the number of ways of having 17 divided by the number of different possible outcomes.

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The solution to this problem is 743008370688
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