by John Ehrke | Oct 1, 2021 | Problem of the Week
Problem 3: A Three Digit Number I am thinking of a three digit number. If you subtract 7 from it, the result is divisible by 7; if 8, divisible by 8; and if 9, divisible by 9. What is the number? Explain how you arrived at your answer. Please submit all problem...
by John Ehrke | Sep 17, 2021 | Mu Sigma Events
Problem 2: Pass the Ammunition Three friends were hunting in the taiga. Two of them, while fording a small stream, got their cartridge cases wet. The three friends divided what good cartridges remained, equally. After each had fired 4 shots, the total cartridges...
by John Ehrke | Sep 11, 2021 | Mu Sigma Events
The Mu Sigma officers for 2021-2022 are Wyatt Witemeyer – President Raegan Palacio – Vice President Lauren Ferraro – Secretary / Treasurer Kya Zinnell – Chaplain Congratulations to the new officers. We will have a meeting soon to discuss plans...
by John Ehrke | Sep 3, 2021 | Problem of the Week
Leaving For London A version of this problem is attributed to Edouard Lucas, a French nineteenth-century mathematician. Every day at noon a ship leaves London for New York and another ship leaves New York for London. The trip lasts 7 days and 7 nights. How many New...
by John Ehrke | Aug 24, 2021 | Mu Sigma Meetings
It was good to see many of you this week as classes are underway. Mu Sigma, is the ACU mathematics club, committed to helping build a more tight knit mathematics community through a variety of social and academic experiences. If you would like to be a part of Mu...
