SOLUTION: How many years does Steven need to invest his $3,000 at 7% to earn $210 in simple interest?

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Question 258836: How many years does Steven need to invest his $3,000 at 7% to earn $210 in simple interest?

Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many years does Steven need to invest his $3,000 at 7% to earn $210 in simple interest?
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Interest = Prt
210 = 3000*0.07t
t = 210/(210)
time = 1 year
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Cheers,
Stan H.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
i=prt
210=3000*.07*t
solve for t
210=3000*7/100*t
210=30*7*t
210=210*t
1=t=one year
check
7/100*3000*1=210
7*30=210
210=210