An algebra problem by Soumo Mukherjee
Algebra
Level
3
The price of an article is cut to 10%. To restore it to its former value, the new price must be increased by:
10%
11%
none of these
9%
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Assuming the former value is x, if the price has been cut by 10%, the value is .9x. In order to return this to the original price, it must be multiplied by 10/9, or in other words, add 1/9 of the price to itself. 1/9 =/= to any of the answers provided, so the correct answer is none of them.