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July 3, 2015

Homework Help: GMAT Algebra (NO CALC)

Posted by John on Tuesday, May 31, 2011 at 3:13pm.

It's been a few years since I've done algebra, and many more since we've been expected to do it without a calculator like the GMAT rules state. Please help me figure out these two problems without the use of a calculator.
1.
__________________
√(16)(20) + (8)(32) = The answer is -4

2.
1
---------
0.75 - 1

The answer is 24

I don't know how to get these answers. Please help. Thank you.

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