Posted by milan on Thursday, December 6, 2007 at 7:50pm.
X = whole set.
3/4 X = 12
Multiply both sides by 4 and divide both sides by 3.
I hope this helps. Thanks for asking.
If 3/4 of the set is 12
then 1/4 of the set is 4 (which is 12/3)
then the whole set is four of those quarters,
which is 4 times 4
or 16
Or of course do it PsyDAG's way if you already know the rules of algebra.
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