Brooklyn Pet Shop had a 220% increase in sales of turtles in 2003 over the previous year. If they sold 50 turtles in 2002, how many did
they sell in 2003?
2.25

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.