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kotykmax [81]
3 years ago
8

The simple interest I on an investment of P dollars at an interest rate r for t years is given by I = prt. Find the time it woul

d take to earn $900 in interest on an investment of $21,000 at a rate of 4.6%.
Mathematics
2 answers:
Bingel [31]3 years ago
8 0
I = prt
I/pr = prt/pr

t = I/pr
t = $900/$21000 x 0.046
t = $900/966
t = .9317 years


goldenfox [79]3 years ago
3 0
T=i/pr
t=900÷(21,000×0.046)
t=0.93167 y
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