Max travles to see his brother's family by car. He drives 216 miles in 4 hours What is his rate in miles per hour? Use a double number line to show your work

Ineed to know the answer to this algebra question.

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)

A50% increase followed by 33 1/2% decrease