GMAT Problem Solving
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Source: GWD
Level: 0
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