An air traffic controller is tracking two planes. To start, Plane A was at an altitude of 820 meters, and Plane B was at an altitude of 1234 meters. Plane A is losing altitude at 15 meters per second, and Plane B is losing altitude at 24 meters per second.

Let x be the number of seconds that have passed.

For each plane, write an expression for the altitude of the plane after x seconds.

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer