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B
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D
E
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Source: Manhattan Prep
At the beginning of 2011, Albert invests $15,000 at 10% simple annual interest, $6,000 at 7% simple annual interest, and $x at 8% simple annual interest. If, by the end of 2011, Albert receives interest totaling 9% of the sum of his three investments, then the ratio of $x to the sum of his two other investments is
A. 1:3
B. 1:4
C. 1:6
D. 1:7
E. 1:8
The OA is D
At the beginning of 2011, Albert invests $15,000 at 10% simple annual interest, $6,000 at 7% simple annual interest, and $x at 8% simple annual interest. If, by the end of 2011, Albert receives interest totaling 9% of the sum of his three investments, then the ratio of $x to the sum of his two other investments is
A. 1:3
B. 1:4
C. 1:6
D. 1:7
E. 1:8
The OA is D
