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  3. The ratio of 2 quantifies is 5 to 6. If each of the quantities is increased by 1

The ratio of 2 quantifies is 5 to 6. If each of the quantities is increased by 1

游客2024-01-14  55
问题 The ratio of 2 quantifies is 5 to 6. If each of the quantities is increased by 15, what is the ratio of these two new quantifies?
选项 A、5:6
B、25:27
C、15:16
D、20:21
E、It cannot be determined from the information given.
答案 E
解析 With no idea of what the quantifies actually are, there is no way to tell how adding 15 to each of them will affect their ratio; for example, if the quantities were 5 and 6, the new ratio would be 20:21, but if the quantities were 10 and 12, the ratio would be 25:27.
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