If x, y, and z are positive with x y=24, x z=48, and y z=72, then x+y+z is

**Answer Choices**

A. 18

B. 19

C. 20

D. 22

E. 24

If x, y, and z are positive with x y=24, x z=48, and y z=72, then x+y+z is

**Answer Choices**

A. 18

B. 19

C. 20

D. 22

E. 24