Mathematics
musical piece problem 164

Question Description

I’m stuck on a Mathematics question and need an explanation.

For the orchestra contest, Mrs. Treble is going to collect 4 pieces of music from the recommended list of 20 pieces. How many combinations of 4 pieces of music are possible?

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Final Answer

Number of combinations =20C4 = 20*19*18*17/(4*3*2*1)= 5*19*3*17=4845 

madhavant (2757)
University of Virginia

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