From a rope that is 11.5 meters long, two pieces are cut from it that are 1 3\5 and 3 3/10 meters long. what is the length of the remaining rope

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.