The Philly Inquirer

This page lists questions and answers that were posted by visitors named The Philly Inquirer.

Questions

The following questions were asked by visitors named The Philly Inquirer.

Hello! I am not asking for the answer to this question, I am asking for a step-by-step explanation. Mr. Green band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 9 students...

Answers

The following answers were posted by visitors named The Philly Inquirer.

matt, I don't understand how you got that. The formula for permutation is n!/(n-r)! so that would be 6!/(6-2)! and then 6 - 2 = 4, so you would do 6 x 5 x 4 = 120, but after that I'm not sure. You certainly don't do 6 x 5, there is more to it than that. P...