MA PREZ iS BLACK[[DATT!!]]U NOE! asked:
please explain how u got ur answer
please explain how u got ur answer
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DIVIDE IT BY 100 TIMES THAT BY 20 AND THEN ADD THAT ONTO 12,590
$ 15,737.50
$ 12,590.00 divided by .80 = $ 15,737.50 x 20% = 3,147.50
(3,147.50)
= $ 12,590.00
x is the original price
12590 = x – .2 * x
12590 = .8x
12590 / .8 = x
15737.5 = x
That means $12590 is 80% of the cost price.
So the required cost price is [12590*100/80]=$15737.50
15737.5
Original Price * 80% = 12590
OP * .8 = 12590
OP = 12590 / .8
OP = 15737.5
The sale price is 20% off so it is 80% of the original price. X is the original price. 80% of X is the sale price, so to solve for X, you divide the sale price by 80% (0.80).
(1-0.20)X = $12,590
X=$12,590/0.80
X=$15,737.50
Original price is: $15,737.50.
If 12,590 is the result of 20% off, then $12,590 represents the other 80% of the full price. So if you divide $12,590 by 8 you’ll get ($1573.75) which is 10% of the total price. Multiply $1573.75 by 2 and that gives you 20% of the total price ($3147.50). $12,590 + $3147.50 = $15,737.50.
To check the answer: divide $15,737.50 by 10 and you will get what 10% of $15,737.50 is ($1,573.75). Multiply that by 2 and you get ($3,147.50) which represents 20%. Does $15,737.50 minus $3,147.50 equal $12,590???
The original price is $15,100.00 . You take the sale price 12,590.00 and multiply it by 20%
gives you 2518.00 Then you add that to the sale price you come to the total 
15,108.00 You take the 12,590 and x it by the 20% which gives you 2,518 then add it to the 12,590 and you have your answer of 15,108.
Look at the problem and convert key words mathematic symbols. The sale price of a car is $12,590. $12,590 is 20% off of the original price. Therefore, $12,590 is 80% of the orginal price. Look at my first equation. The .8 represents 80%, and “n” is the original price. Divide 12,590 by .8 and that gives you “n,” which is the original price.
12,590=.8n
15,737.50=n
The original price was $15,737.50, or round up to $15,738.
Let x = original price
(20%)x = 0.2 x = 20% of the original price
The sales price of a car is $12,590, which is 20% off the original price, so
$ 12,590 = x – 0.2x
Multiply 10 to both sides (to simplify)
$ 125,900 = 10x – 2x
Simplify and exchange places
8x = $ 125,900
Divide
x = $ 15,737.50
Therefore, the original price is
$ 15,737.50
^_^