How many 60 cm long rulers need to be placed end to end cover 1.5 km?
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Step-by-step explanation:
1 km = 1000 m
1 m = 100 cm
1000 m = 100000 cm
therefore 1.5 km = 150000 cm
length of ruler = 60 cm
number of rulers required
150000 ÷ 60
= 2500
Hope you get your answer
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