Mr williamson bought 4 boxes of chewy granola bars in five boxes of crunchy granola bars. Each box contains the same number of granola bars. He took all 72 granola bars to a class picnic. How many granola bars are in each box?

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.