# Hens

11 hens will eat spilled grain from 6AM to 16 PM. At 11 hour grandmother brought 4 hens from the neighbors.

At what time was grain out?

Result

hh:mm = 14:40

#### Solution:

$d = (16-11)/10 = 0.5 \ \\ s = \dfrac{ 1 } { 10 \cdot 11 } = 0.0090909090909091 \ \\ \ \\ t = \dfrac { d }{ s (11+4) } = 3.6666666666667 \ \\ \ \\ hh:mm = 11 + t = 14:40$

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