SOLUTION: I am having trouble with this one on simple interest. I have tried and not been successful in getting this question solved. The amount A of money on deposit for t years in an

Question 62373This question is from textbook college algebra
: I am having trouble with this one on simple interest. I have tried and not been successful in getting this question solved.

The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation of A= $272 when t=3 and A=$320 when t=5.
This is the actual question, I hope it has been made clear enough. This question is from textbook college algebra

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation of A= $272 when t=3 and A=$320 when t=5.
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A=P(1+rt)
272=P(1+3r)
320=P(1+5r)
Cheers,
Stan H.
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