Question

 A 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

Explanation:

Two presumptions are to be made: 1 tide will not go down once up and 2 boat will not sink irrespective of level of tide

A 10 foot rope ladderhaving rungs at one foot apart have 10 rungs.

Tide goes up at the rate of 6 inches per hour.

Three rungs are to be covered which is 3*12=36 inches

It will be 36/6=6 hours untill 3 rungs are covered

Answer 2

Explanation:

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