MATA32 – Winter 2010
1. A manufacturer plans to fence in a 500 m2rectangular storage area adjacent to a
building by using the building as one side of the enclosed area (see the picture below).
The fencing parallel to the building faces a highway and will cost $5 per meter in-
stalled, whereas the fencing for the other two sides costs $2 per meter installed. What
is the minimum the fence will cost?
Continued on reverse...