3 out of 4 students surveyed said they walk to school. The difference between the number of students who walk to school and who do not walk to school is 36. How many total students were surveyed? Put the label "students" after your answer.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?