Please sovle a, b, & c. Showing the calculation please.   The...

Please sovle a, b, & c. Showing the calculation please.

The Glen Canyon Dam in Arizona dams the Colorado River creating Lake Powell behind 
it. The dam has a height of 710 feet. Total nameplate (maximum continuous) generating 
capacity for the power plant at the dam is about 1 GW. Assume an effective head of 700 feet 
and generating efficiency of 95%.
a) At maximum capacity, what flow is required through the dam's turbines to generate its 
nameplate power? Express flow in cubic meters per second.
b) If the dam operates at 30% of capacity on average, how much energy does it produce in a 
year? 
c) How many people should this energy support, assuming average community consumption 
of 3000 kWh per year per person?