Answer: a. 1ml : 2ml b. 1h : 3h c. 12m : 1m
Explanation:
a. 2 litres = 200ml
200ml : 600ml = 1ml : 3ml
b. 1 day = 24 hours
8h : 24h = 1h : 3h
c. 3 km = 3000m
3000m : 250m = 12m : 1m
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