Question

A post has one-fifth of its length in the mud one half in the water and rest of it 10 ft in length is out of the water what is the whole length of the post

Answer 1

Answer:

33.33 ft

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Step-by-step explanation:

say length of post = L

Length in mud = L/5

Length in water = L/2

Rest Length = L - (L/5+L/2)

=(L/10) (10- 7)

= 3L/10

3L/10 = 10ft

L = 100/3 ft