Saturday
May 18, 2013

Homework Help: algebra

Posted by Cassidy on Saturday, November 28, 2009 at 7:50pm.

25% of what number is 20?

• algebra - Quidditch, Saturday, November 28, 2009 at 9:45pm

Let N be the number.
Remember that 1 percent of a number is 0.01 times the number. 25 percent of a number is 0.25 times that number.
So..
(0.25)(N) = 20
Divide both sides by 0.25 to find N.

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