Saturday

September 20, 2014

September 20, 2014

Posted by **Tom** on Tuesday, May 7, 2013 at 11:23pm.

- Math (Percentage) -
**drwls**, Wednesday, May 8, 2013 at 6:27amI will let a be the decimal (not the %) discount.

New price = P'

Original price = P

P' = (1-a)P*(1+a) = 0.19 P

(81% final discount)

Then

1 - a^2 = 0.19

a = 0.9

The "a" discount is 90%

**Answer this Question**

**Related Questions**

Math (Percentage) - The price of a hat is reduced by a% from its regular price, ...

math - the price of a dress is reduced by 40%, when the dress still does not ...

Math - For 5 consecutive days, the price of a lamp in jill's store is reduced by...

Math - On friday, a computer was priced at $800. on the following wednesday, the...

math(urgent) - During a Merdeka Day celebration,a furniture company marked down ...

Business math - A store had 896 swimsuits that were marked to sell at $46.99. ...

math - you are a shop owner who wants to market a new hat. the hat distributor ...

math - the price of a jacket was reduced by10%. during a special sale, the price...

Mathematics - A company sold garden hoses at a reduced price of $6.52 and took ...

MATH - The price of an item in a store is reduced by 50%. Then the price is ...