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.
If you were travelling in a vehicle that averaged 35 MPG and were paying $3.54 per gallon for your gas then the cost for a trip based upon an estimated distance of 112.8 drive miles from West Hartford to New York City * in gas would be in the region of $11.41 USD.