Because of flu epidemic, 36 students are absent. if this is 1/6 of the school's population, what is its total population? a) 6 b) 42 c) 186 d) 216

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.