You and a friend go the movies. you bought a student ticket and drink. you split the cost of popcorn and candy. you have $4.75 left. how much money did you take with you?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)