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SAT® Math

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Moderate

Rate of Water Flow

SATMAT-A1UYTB

As is shown in the graph above, water flows from a container at a constant rate of $ r $ ounces per second.

If the container started with $ 22 $ ounces of water, and if it contains $ 11\frac { 1 }{ 3 } $ ounces $ 8 $ seconds after the water started flowing out, then the container will be empty after how many seconds?

A

$16$

B

$16.5$

C

$17$

D

$17.5$