For example, if you figured 2000 square feet, you need 2000 square feet/100 square feet in a square = 20 squares of slate. A simple roof might be all rectangles (Area = length * width). There are often triangular sections to compute (Area = the base * height/ 2).
The average price for connecting flights from New York to Mexico City is $517. The average price for non-stop flights from New York to Mexico City is $440. The chart below shows up to date information regarding non-stop flights from New York to Mexico City.
The air travel (bird fly) shortest distance from California to New York is 3918.49 km= 2434.84 miles. If you travel with an airplane (which has average speed of 560 miles) between California to New York, It takes 4.35 hours to arrive. Also check out United States distances.