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Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 30)

Simplify the ratio 45 minutes : 1.5 hours.
1:2
1:3
2:1
3:2

Paliwanag

Convert to same units. 1.5 hours = 90 minutes. Ratio is 45:90 = 1:2

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