Question 895687
Arrange a list of the songs in decreasing order based on song length.  In either direction, upward or downward, find the sum of total time for each next included song; and this should give you a list of sums, from which you can compare to your maximum 35 minute total length of time requirement.


If you take songs to sum in increasing song times, you could obtain a bigger quantity of songs than if you take the songs in decreasing song times.


This seems like a strange question for pre-algebra.  You selected Probability-and-Statistics to classify your question