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The simple interest on $400 invested for 5 years is $120. The rate of interest charged is?
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The simple interest on $400 invested for 5 years is $120. The rate of interest charged is?
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Mar 28, 2019
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The simple interest on $400 invested for 5 years is $120. The rate of interest charged is?
Mathematics
middle-school
AlexisG
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The formula for simple interest is I = Prn
120 = 400 x r x 5
divide both sides by 400
.3 = 5r
then divide both sides by 5
r = .06 or 6%.
hope this helps!
Johan Falk
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Apr 3, 2019
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Johan Falk
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