Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 9)

Which of the following correctly represents the ratio 10:15 simplified?

2:3

5:7.5

1:1.5

20:30

Giải thích

10:15 reduced to 2:3. 20:30, and 1:1.5 are all equivalent.

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