​find the ratio 3 days to 30 hours

We know that ,1 day = 24 hrsSo, 3 days = 3 × 24 = 72 hrsNow, ratio of 3 days to 30 hrs = 3 days30 hrs = 72 hrs30 hrs = 125So, required ratio is 12 :5.

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3 days =072 hours
72/30=36/15
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