Can anybody figure this out and explain how they found answer?

Question

Crystal paid $81 for a dress that has been discounted 25% and then marked down an additional 10%. Taking both discounts into consideration, determine the original price of the dress.

Answer 1

ok first take your final number which is $81 and divide that by the remaining % to get 100%  like this 81 divide by .90= 90 since we already took .10 off

then you do the same using 25% 90 divide .75= 120 since we already took .25 off thus your answer $120

Answer 2

$81 35% umm well now if I could just rember how to do this... sorry  

Answer 3

$81 x 0.35 (.25 +.10) = 28.35

$81 + $28.35 = $109.35 =]

Answer 4

i got $112! not sure how correct that is but i just added the 25% and 10% to the 81 bucks!  

Answer 5

Lets work the problem kind-of backwards.  The two discounts cannot be added together because they were discounted at different prices.

$81 is 90% of the most recent markdown.  so 81 divided by 9=9 .  (b/c 81 is 90% of 100 or 9/10ths of the whole amount)

So before the 10% markdown the price was 90 (81+9)

If the $90 had been marked down 25%, $90 is 75% of the origingal price. So now we have to figure out how much the 25% discount was, then add it to $90 to get the original price.

75% divided by 3 is 25%  (b/c the 75 is only three parts of the whole 100%)

90 divided by 3 is 30. The first discount was $30.

$90+$30=$120!

If you wanted to double check your answer take $120 multiply it by 0.25= $30.  

               $120 -30= $90

$90 times 0.1= $9

            $90-9=  $81(the same amount crystal paid in the question)

Answer 6

$81 is 90% of the price after the 25% discount. This price therefore is 81/0.9 = $90.

$90 is 75% of the price before the first discount.

This is = 90/0.75 = $120.

as bessy said first.

Answer 7

It was $120

120 - 25% = $90.00 (120  x0.75)

then



90 -10% = $81.00 (90 x 0.9)

Answer 8

3 total prices: Orignal price, 25% off, 10% off extra.

If something is discounted 25%, and then discounted an extra 10%, what is the total discount?

1 - 1*.25 = .75 (This is the % you paid after a 25% discount)

.75 - .75*.1 = .675 (This is the % you paid after an additional 10% discount)

So let's say X = original price.

.675x = 81

Divide both sides by .675

x = 120.

Answer 9

If the discounts are 25% and then 10%, you're paying 75% then 90%.

This is the same as paying .675% ( .75 * .90 = .675).

So the original price is:.81 / .675 = $120.