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Contact [7]
3 years ago
9

melissa makes apple pies and sells them with a markup of 78%. write an equation representing the retail price y of melissa's app

le pies in terms of the original cost x.
Mathematics
2 answers:
Westkost [7]3 years ago
8 0

Answer:

Equation representing the retail price y of apple pies in terms of the original cost x  is      y = 1.78 x

Step-by-step explanation:

The original cost of apple pie = x

The mark up percentage = 78%

The retail price of the apple pie = y

Now, the mark up is always applied on the original price.

⇒78%  of x  = \frac{78}{100} \times x = 0.78x

So, the marked up amount of pie = 0.78 x

Also, the Total Retail price = Original Price + Marked up Price

                                             = x+ 0.78 x = (1+ 0.78)x  =  1.78 x

or, y = 1.78 x

Hence,equation representing the retail price y of apple pies in terms of the original cost x  is y = 1.78 x

Mandarinka [93]3 years ago
8 0

Answer:

x=y/1.78

Step-by-step explanation:

If you know the original value then you would multiply by 1.78 to calculate the price after markup. Thus if you know the price after markup you divide by 1.78 to find the original value.

y=markup price

x=original price

y=1.78x

Divide both sides by 1.78

y/1.78=x

x=y/1.78

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Given that In 3 years, Dianna will be 4 times as old as she was 33 years ago, her present age is 45.

<h3>How old is Dianna now?</h3>

Given that, in 3 years, Dianna will be 4 times as old as she was 33 years ago.

Let x represent the age of Dianna presently.

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