Question

10 foot rope ladder hangs over the side of a boat with the bottom rung on the surface of the water. The rungs are one foot apart, and the tide goes up at the rate of 6 inches per hour. How long will it be until three rungs are covered?

Answer 1

This is not an english question and i think the answer is 36.

Answer 2

1 hour = half foot...
.
6 hours = 3 feet