Happy 100th Birthday, Olivia de Havilland! 10 Facts About the Screen Legend. As we celebrate Olivia de Havilland's 100th birthday, here's a look a her legendary life and career.
The cost of laying pipe is $200,000 per km over land to a point P on the north bank and $400,000 per km under the river to the tanks. To minimize the cost of the pipeline, how far down river from the refinery should the point P be located?
Steel pipe piles had the highest unit costs, ranging from $213 per meter for the 81.3-cm pile to $819 for the 154.9-cm pile.