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Mathematics 17 Online
OpenStudy (anonymous):

A man earns $112 interest in one year on an investment of $1,400. What was his rate of interest? 8% 0.08% 10% 12%

OpenStudy (anonymous):

r being the rate of interest 1400(r) = 112 r = 112/1400 r = .08 x 100 = 8%

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