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Old March 30, 2012, 05:11 AM
-TW
 
Posts: n/a
Default Easier way?...

70x = 8 ("less 30%" is the same thing as "70% of" (ie: Hacking off 30% is the same thing as KEEPING 70%), so... 70% of x = 8)

x = 8/70 (divide both sides of equation by 70)

answer (significant #'s... you figure out where the decimal point goes)...
11428.

Cheers!

-- TW
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