February 22, 2017

Homework Help: Math-probability

Posted by Gina on Saturday, July 27, 2013 at 5:19pm.

A sporting goods store estmates that 20% of the students at a nearby university ski downhill and 15% ski cross country. Of those who ski downhill, 40% also ski cross country. What percentage of these students ski both down hill and cross country? Write as a decimal.

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