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Aisha’s income in 2004 was 20 percent greater than her income in 200What is the
Aisha’s income in 2004 was 20 percent greater than her income in 200What is the
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2024-01-12
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问题
Aisha’s income in 2004 was 20 percent greater than her income in 200What is the ratio of Aisha’s income in 2004 to her income in 2003 ?
选项
A、1 to 5
B、5 to 6
C、6 to 5
D、5 to 1
E、20 to 1
答案
C
解析
Because Aisha’s income in 2004 was 20% greater than her income in 2003, her income in 2004 was equal to
(100% of her income in 2003)+(20% of her income in 2003)
which is 120% of her income in 2003. Therefore, the ratio of her income in 2004 to her income in 2003 is 120 to 100, which is equivalent to 6 to 5. The correct answer is Choice C.
Alternatively, to say that Aisha’s income in 2004 was 20% greater than her income in 2003 is the same as saying that her income increased by 1/5. Therefore, her income in 2004 was 6/5 of her income in 2003, and the ratio of her income in 2004 to her income in 2003 is 6 to 5. The correct answer is Choice C.
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