Solve the problem.The purchasing power of A dollars after t years of r% inflation is given by the model P = Ae-rt. Assume the inflation rate is currently 6.6%. How long will it take for the purchasing power of $1.00 to be worth $0.67? Round the answer to the nearest hundredth.
A. 10.15 years
B. 0.61 years
C. 0.06 year
D. 6.07 years
Answer: D
Mathematics
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An accountant purchases a new accountant software for $600 and makes a down payment of 20%. The remainder is financed for 3 years at an annual interest rate of 6.3% compounded weekly. Find the weekly payment for this loan.
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Mathematics
Write as a percent.9
A. 0.9% B. 900% C. 450% D. 0.09%
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Multiply.(7 - 8r)(7 + 8r)
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Mathematics