A store released a new computer game and sold 1,024 copies. Each day after that, the sales were one-half of the sales fell the previous day.

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.