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Interpret points relative to a system

Otto has some whipping cream that is

30 %

butterfat and some milk that is

2 %

butterfat. He wants to make a

500 mL

mixture of them that is

12 %

butterfat.

Here's a graph that shows a system of equations for this scenario where

x

is the volume of whipping cream he uses and

y

is the volume of milk he uses.

What does point $K$ ‍ represent in this context?

(Choice A)
The mixture has more than the intended volume and has the intended percent of butterfat.
(Choice B)
The mixture has less than the intended volume and has more than the intended percent of butterfat.
(Choice C)
The mixture has the intended volume and has the intended percent of butterfat.
(Choice D)
The mixture has the intended volume and has less than the intended percent of butterfat.

Algebra 1