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ONU Problem of the Week

This week's ONU Problem of the Week combines cereal with math. (photo/stltoday.com)

This week's ONU Problem of the Week combines cereal with math. (photo/stltoday.com)

When Frank and Joe eat breakfast together, it takes them five days to finish a box of cereal. When Frank and Chet eat breakfast together, it takes them four days to finish a box of cereal. When Joe and Chet eat breakfast together, it takes them three days to finish a box of cereal. 

  1. When Frank, Joe, and Chet eat breakfast together, how many days does it take them to finish a box of cereal?
  2. How many days does it take Frank to finish a box of cereal by himself?
  3. How many days does it take Joe to finish a box of cereal by himself?
  4. How many days does it take Chet to finish a box of cereal by himself?

Note:  All answers should be given in fractional form.

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Congratulations to the 30 ONU students who obtained all five points for the previous ONU Problem of the Week.  Freshman pharmaceutical and healthcare business major John Sternasty won the random drawing to receive the $10 gift certificate to Cosi. ONU alumnus Kory Gebhart also received a perfect score on the problem. 

Solutions for this problem must be submitted to Dr. Robinson by Thursday, March 2. Solutions can be slipped under Dr. Robinson’s office door (Mathile 214), handed to the Department of Mathematics & Statistics administrative assistant, sent via email (l-robinson.1@onu.edu), or sent by campus mail. Please include on all submissions your name, major, email address, campus address, and phone number. You must show your work.