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Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 38)

What is the ratio 20 minutes: 1 hour in its simplest form?
1:2
1:3
1:4
2:1

Paskaidrojums

1 hour = 60 minutes. The ratio is 20:60, which simplifies to 1:3.

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