03-11-2016
Mathematics

contestada

He has $4,200 to invest, for college if he invests 4200 for 3 years and year and earns $630 what is the simple interest rate

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taylorh99 taylorh99

06-11-2016

I=Prt

r=I/Pt

r=630/((4200)(3))
=0.05*100
=5%
the simple interest rate it 5%

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