If a student solves 5 problems in 10 minutes what is the proportional constant

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?