The ages of several trees in a park are shown below: 2 years, 28 years, 2 years, 20 years, 22 years what is the mean age of these trees? (4 points)

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.