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3 years ago

Convert a markup of 15% on selling price to its equivalent markup on cost.

Mathematics

1 answer:

spayn [35]3 years ago

5 0

Answer:

option: D is correct. ( (D) a markup of 15% on selling price is equivalent to a 85% markup on cost ).

Step-by-step explanation:

" Markup is the percentage difference between a product's cost and its selling price "

Since we are asked to Convert a markup of 15% on selling price to its equivalent markup on cost.

As there is a markup of 15% on selling price. Hence the cost of the product would be (100-15)%=85% of the selling price.

Hence, a markup of 15% on selling price is equivalent to a 85% markup on cost.

Hence, option D is true.

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Four times a number increased by 8 is 54?

lawyer [7]

Answer:

4x+8=54 this is the correct answer

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2 years ago

A boat with some water at its bottom was found leaking again. Assume that water goes into the boat at a constant rate. 3 hours a

ratelena [41]

The Number of people is 12 when time taken is 2 hours.

According to the statement

Time taken when 10 people works is 3 hours

Time taken when 5 people works is 8 hours

Then we have to find the number of peoples when time taken is 2 hours.

So, average time that for which single person works is 180 min/ 10 = 18 min.

It means the average time for single person works is 18 min in case of 10 people.

and one thing is clear that the number of people is greater than 10 people when time taken is 2 hours.

So, The Number of people is 12 when time taken is 2 hours.

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6 0

1 year ago

What is the equation of a circle with its center at (0,-2) and passing through the point (3,-5)

Ksivusya [100]

Circle's Standard Form Equation:
$r^{2} = (x - xo)^{2} + (y - yo)^{2}$

First you need to substitute the C (0,-2) in the equation, where: Xo = 0 and Yo = -2;

$r^{2} = (x - 0)^{2} + (y - ( -2))^{2} \\ r^{2} = x^{2} + (y + 2)^{2}$

Now you substitute the Point (3,-5) values in the last expression, where: X = 3 and Y = -5;

$r^{2} = 3^{2} + (( - 5) + 2)^{2} \\ r ^{2} = 9 + ( - 3)^{2} \\ r^{2} = 9 + 9 \\ {r}^{2} = 18$

Now you get the R^2 value and substitute in the equation that you found putting the C values on it:

$r^{2} = x^{2} + (y + 2)^{2} \\ x^{2} + (y + 2)^{2} = 18$

Here is your standard form equation of the circle.

7 0

2 years ago

Daniel is choosing between two cellphone plans. "Plan A" charges $80 per month, which includes unlimited text messaging. "Plan B

sertanlavr [38]

Answer:

Plan A:

C = $80

C = cost

Plan B:

C = 0.15t + 20

C = cost; t = amount of text messages

Step-by-step explanation:

Let C = cost.

Let t = amount of text messages.

Plan A:

C = $80

Plan B:

C = 0.15t + 20

If the next question asks for you to solve when Plan B will be equal to Plan A, set the two equations equal to each other.

80 = 0.15t + 20

Isolate the variable, t. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract 20 from both sides.

80 (-20) = 0.15t + 20 (-20)

80 - 20 = 0.15t

60 = 0.15t

Divide 0.15 from both sides.

(60)/0.15 = (0.15t)/0.15

60/0.15 = t

t = 400

Those who use Plan B must send at least 400 text message to have the same price as Plan A.

3 0

3 years ago

Read 2 more answers

25 Pts

STatiana [176]

You would use a bar graph since bar graphs can compare two different subjects

3 0

3 years ago