A passenger train leaves the train depot 2 hours after a freight train leaves the same depot. The freight train is traveling 25 mph slower than the passenger train. Find the rate of each train, if the passenger train overtakes the freight train in 2 hours.
Michael and Danielle have a combined age of 30. Michael is 2 more than 3 times Danielle’s age. How old are Michael and Danielle?
Let m = Michael’s age and d = Danielle’s age