It is very important to look at all the information's that are given in the question. Based on those given information's the answer to the question can be easily deduced. Length of the blue lake trail = 11 3/8 miles = 91/8 miles Distance hiked by Gemma per hour = 2 1/2 miles = 5/2 miles Then Distance hiked by Gemma in 3 hours = (5/2) * 3 miles = 15/2 miles Then Distance from the end of the trail = (91/8) - (15/2) miles = (91 - 60)/8 miles = 31/8 miles = 3 7/8 miles So it can be concluded from the above deduction that the distance that is still left for Gemma to cover the trail is 3 7/8 miles. I hope there is nothing complicated in the procedure for you to not understand.
