find the ratio - a. 30 min to 1.5 hours b. 40 cm to 1.5 m
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Step-by-step explanation:
the ratio of 30 minutes to 1.5 hours is 1 : 3.
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Answer:
(a) 30 minutes to 1.5 hours
60 minutes = 1 hour
Hence, 30 minutes = 0.5 hour
Hence, 30 minutes to 1.5 hours = 0.5 / 1.5
Here, HCF of 0.5 and 1.5 is 0.5
= (0.5 ×1) / (0.5 × 3)
= 1 / 3
Therefore, the ratio of 30 minutes to 1.5 hours is 1 : 3.
Step-by-step explanation:
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