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TTGWD11-13
Q13:
On a certain day, Tim invested $1,000 at 10 percent annual interest, compounded annually, and Lana invested $2,000 at 5 percent annual interest, compounded annually.
The total amount of interest earned by Tim’s investment in the first 2 years was how much greater than the total amount of interest earned by Lana’s investment in the first 2 years?
A.
$5
B.
$15
C.
$50
D.
$100
E.
$105
Answer: A算了N遍还是得105,
能不能帮着算一下啊?我那里错了?1000*(1+0。1)^2-1000-2000*(1+0.05^2) |
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