Homework Help: math

Posted by gage on Wednesday, November 3, 2010 at 6:27pm.

The names, or notes, of all the white keys on a piano are written on pieces of paper and placed in a cup. There are 7 sets of the notes d, e, f, and g and 8 sets of the notes a, b, and c. If a person draws one note out of the cup without looking , what are his or her chances of getting a c ?

math - PsyDAG, Thursday, November 4, 2010 at 2:00pm
(7 * 4) + (8 * 3) = total notes?

8/total notes

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