Posted by Bradley on Monday, January 25, 2010 at 6:54pm.
n/30 = 20
Multiply both sides by 30
n = 20 * 30
n = 600
We can prove this is the correct answer by substituting 600 for n in the original problem.
600/30 = 20
20 = 20
Yep, that's the right answer.
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