Solve the problem.If P dollars are invested at a simple interest rate r (in decimals), the amount A that will be available after t years is A = P + Prt. Find the total amount in an account if $400 is invested at 19.1% simple interest for 3.5 years.
A. $267.40
B. $667.40
C. $473.30
D. $476.40
Answer: B
Mathematics
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A. (1, 0), (0, -4) B. (1, 0), (0, 4) C. (-1, 0), (0, 4) D. (-4, 0), (0, 4)
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