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3 years ago

A computer store bought a program at a cost of $10 and sold it at a selling price of $13. Find the percent markup.

Mathematics

2 answers:

Contact [7]3 years ago

7 0

Answer:

30%

Step-by-step explanation:

(13-10)/10 × 100% = 3/10 × 100% = 30%

dalvyx [7]3 years ago

4 0

Answer: 30 %

Step-by-step explanation:
Cost = $10
Selling price = $13
Markup = selling price - cost price
= $13 - $10
= $3
percent markup = markup/cost
= $3/$10
= 0.3 = 30%
Percentage markup is 30

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2 years ago

Two brothers are sharing a certain sum of money in the ratio 2/3 : 3/5, if the largest share was Gh¢500.00. How much was shared

lina2011 [118]

Given:

Two brothers are sharing a certain sum of money in the ratio $\dfrac{2}{3}:\dfrac{3}{5}$ .

The largest share was Gh¢500.00.

To find:

The total amount shared between them.

Solution:

It is given that, two brothers are sharing a certain sum of money in the ratio $\dfrac{2}{3}:\dfrac{3}{5}$ .

First we need to make the denominators common.

$Ratio=\dfrac{2\times 5}{3\times 5}:\dfrac{3\times 3}{5\times 3}$

$Ratio=\dfrac{10}{15}:\dfrac{9}{15}$

$Ratio=10:9$

So, the two brothers are sharing a certain sum of money in the ratio 10:9.

Let the shares of two brothers are 10x and 9x respectively. So, the larger share is 10x.

It is given that the largest share was Gh¢500.00.

$10x=500$

$x=\dfrac{500}{10}$

$x=50$

Now, the total amount shared between them is:

$Total=10x+9x$

$Total=19x$

$Total=19(50)$

$Total=950$

Therefore, the total amount shared between them is Gh¢950.00.

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3 years ago

5. y = 2x + 6<br> 2x - y=2

Crank

Step-by-step explanation:

$y = 2x + 6$

$2x - y = 2$

To solve this system of equations, let's first add the equations together:

$(y) + (2x - y) = (2x + 6) + (2)$

$2x = 2x + 8$

$2x - 2x = 8$

$0 = 8$

There are no values of $x$ that will make this equation true, so the lines never intersect, and therefore there are no solutions to this system of equations.