Question

An oil-drilling rig in the Gulf of Mexico stands so that one-fifth of it is in sand, 20 feet of it is in water, and two-thirds of it is in the air. What is the total height of the rig?​

Answer 1

Answer:

Let h shows the height of rig. Since one fifth is in stand, 20 feet in water and 2/3 is in the air so total height except water is,

1/5 h

And total height is water,