Posted by **peaches** on Thursday, December 13, 2012 at 7:19pm.

A necklace, priced between $50 and $100, was on sale at 25% off. When the original price (a whole dollar amount) was discounted, the sale price was also a whole number of dollars. What are the possible original prices for the necklace?

- math -
**Damon**, Thursday, December 13, 2012 at 7:25pm
p is a whole number between 50 and 100

(3/4) p whole number

well p = 100 works (then get it for 75)

p = 80 works (then get it for 60)

as a matter of fact anything in there divisible by 4 works

52

56

60

64 etc

- math -
**gretchen**, Thursday, February 13, 2014 at 10:03am
I am trying to help my son with the same problem. At first I thought the above answer was correct too. Then I started to second guess myself because $50-$100 is the SALE price so we need to find the ORIGINAL price THEN take 25% off that to get the sale price. The above answer (52, 56, 60, 64....) is if we take 25% off of the sale price ($50-$100). I think we are doing it backwards. ????? I understand that it's every 4 numbers but I think it may be 68, 72, 76.....

If we assume $68 is the original price and take 25% of $68, then we get a sale price of $51. Any thoughts? Again, I have no idea which way is correct.

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