Friday, November 4, 2011

Hello 11th Grade

I hope you all enjoyed today's special field trip! Here is your question for the day.

Have a wonderful weekend!

Math Question

Abandoned mines frequently fill with water. Before an abandoned mine can be reopened, the water must be pumped out. The size of pump required depends on the depth of the mine. If pumping out a mine that is D feet deep requires a pump that pumps a minimum of D squared over 25 + 4D – 250 gallons per minute, pumping out a mine that is 150 feet deep would require a pump that pumps a minimum of how many gallons per minute?

A.  362
B.  500
C.  800
D.1,250
E.1,750