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Posted by lauren on Sunday, September 5, 2010 at 9:27pm.

find p from the formula I=prt/100 when i=20, r=5 and t=4

I=prt/100 20 = (p * 5 * 4) / 100 20 = 20p / 100 20 * 100 = 20p 2,000 = 20p 2,000/20 = p 100 = p

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