Recently Updated Pages
2000 HiMCM A：Bank Robbers
The First National Bank has just been robbed (the position of the bank on the map is marked). The...
2000 HiMCM B：Elections
It is almost election time and it is time to revisit the electoral vote process. The constitution...
1999 HiMCM：Traffic Lights Problem
Major thoroughfares in big cities are usually highly congested. Traffic lights are used to allow ...
1990 MCM B: The Snowplow Problem
The solid lines of the map (see Figure 1) represent paved two-lane county roads in a snow-removal...
1990 MCM A: The Brain-Drug Problem
Researchers on brain disorders test the effects of new medical drugs (e.g., dopamine against Park...
1989 MCM B: The Aircraft Queuing Problem
A common procedure at airports is to assign aircraft (AC) to runways on a first-come-firstserved ...
1989 MCM A: The Midge Classification Problem
Two species of midges, Af and Apf, have been identified by biologists Grogan and Wirth (1981) on ...
1988 MCM B: The Railroad Flatcar Problem
Two railroad flatcars are to be loaded with seven types of packing crates. The crates have the sa...
1988 MCM A: The Drug Runner Problem
Two listening posts 5.43 miles apart pick up a brief radio signal. The sensing devices were orien...
1987 MCM A: The Salt Storage Problem
For approximately 15 years, a Midwestern state has stored salt used on roads in the winter in cir...
1986 MCM B: The Emergency-Facilities Location
The township of Rio Rancho has hitherto not had its own emergency facilities. It has secured fund...
1985 MCM B: Strategic Reserve Management
Cobalt, which is not produced in the US, is essential to a number of industries. (Defense account...
1987 MCM B: Parking Lot Design
The owner of a paved, 100' by 200' , corner parking lot in a New England town hires you to design...
1986 MCM A: Hydrographic Data
The table below gives the depth Z of water in feet for surface points with rectangular coordinate...
1985 MCM A：Animal Populations
Choose a fish or mammal for which appropriate data are available to model it accurately. Model th...