A mysterious flying superhero known as Blue Sky protects the good citizens of Allenville. Unknown to these citizens, Blue Sky is
actually mild-mannered Abdul, a scientist in a flying suit. Before Abdul can fly in the suit, he needs to charge its battery. There is a proportional relationship between the number of hours Abdul has charged his flying suit, x, and the number of hours he can fly, y. If Abdul charged the suit for 1 hour, he can fly for 2 hours
