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  3. The ratio off 1/3 to 3/8 is equal to the ratio ofA、1 to 8B、8 to 1C、8 to 3D、8

The ratio off 1/3 to 3/8 is equal to the ratio ofA、1 to 8B、8 to 1C、8 to 3D、8

游客2024-01-12  7
问题 The ratio off 1/3 to 3/8 is equal to the ratio of
选项 A、1 to 8
B、8 to 1
C、8 to 3
D、8 to 9
E、9 to 8
答案 D
解析 Multiplying both parts of a ratio by the same positive number produces an equivalent ratio. While you could multiply both fractions in the ratio by any number, 24 is a good number to choose because it is the least common multiple of 3 and 8. Thus, multiplying both 1/3 and 3/8 by 24, you get that the ratio of 1/3 to 3/8 is equal to the ratio of 8 to 9. The correct answer is Choice D.
    An alternate approach to this problem is to express the ratio of 1/3 to 3/8 as the fraction. This fraction is equivalent to(1/3)(8/3), or 8/9. The correct answer is Choice D.
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