Ryder drew a scale drawing of the rectangular pool in his backyard using a scale of 1 in = 4 ft. He wants to add a border around the perimeter of the pool using 12-in square tiles. If the length of the drawing of the pool is 8 in, and the width of the drawing is 2 in, how many tiles does Ryder need for the border? A.
64
B.
80
C.
40
D.
20

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.