As part of a sixth-grade class project, the teacher brings to class a large jar containing 200 gumballs of two different colors: red and green. Andy is asked to draw a sample of his own choosing and estimate the number of red gumballs in the jar. Andy draws a sample of 40 gumballs, of which 12 are red and 28 are green. Use Andy's sample to estimate the number of red gumballs in the jar. There are approximately how many red gumballs in the jar?
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