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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%.

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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