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9-27.

If a hole is punched in the bottom of a tall open can, the rate at which liquid leaks out is roughly proportional to the square root of the depth of the remaining liquid. Unfortunately, Jose's pesky little brother just used a pen to punch a hole in the bottom of his 16 cm tall can of soda, decreasing the depth of the precious liquid at the rate of 12 cm/min. What is the height of the soda in the can 20 seconds later? Homework Help ✎

$\text{When }h=16\text{, }\frac{dh}{dt}=-12\text{. Use this information to solve for }k{.}$