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selecting 3 best grades and calculating average

Question asked by Jax on Oct 22, 2013
Latest reply on Oct 23, 2013 by Jax

Title

selecting 3 best grades and calculating average

Post

     Dear all,

     I'm stuck on the following problem. Students can take 3 or more courses. I need to collect grades using the student ID, discard the worst ones if they took more than 3 and calculate the average. I'm stuck. Hopefully, somebody more knowledgable than me can crack this problem for me.

     All the best,

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