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December 21, 2014

December 21, 2014

Posted by **Cliff** on Wednesday, July 21, 2010 at 1:20pm.

'In this problem I'm not sure whether I'm being asked to solve for one or two unknowns. May I have your help ?

Thank you.

- Math -
**Reiny**, Wednesday, July 21, 2010 at 2:01pmonly one unknown here, namely the number of students in the class, let that number be x

so

.25x = 12

x = 12/.25 = 48

check: is 1/4 of 48 equal to 12 ?? yes

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