49. Seth walks 1 ¼ miles in 5/12 hour. Let us solve for the Unit rate of Seth base on the given data. => 1 and ¼ miles, convert this to decimals => 1 and ¼ miles = 1.25 miles Next, convert the hour => 5 / 12 hours = 0.42 hours Next to do is to divide the miles in hours to be able to get the final unit rate of Seth: => 1.25 / 0.42 => 2.97 miles/hour or 3miles per hour.