210 hours to 9 days ratio

Answer 1

9 days = 9 days(24 hours / 1 day} = 216 hours

So, 210 hours / 9 days = 210 hours / 216 hours = 210 / 216 = 70 / 72 = 35 / 36

Answer 2

9 days = 216 hours

210 / 216