Epi leather is a unique leather generally used for making purses. Louis Vuitton is the best-known supplier for bags made of this... Epi leather is a unique leather generally used for making purses. Louis Vuitton is the best-known supplier for bags made of this leather. Epi leather is tanned with plant extracts and then dyed. The dyeing process means the leather comes in many vivid colors and is very shiny. The curing process makes the bags water resistant so they are ideal for everyday use. Avoid snagging the bag as they are sturdy, but still can be easily ripped.
The formula for calculating Miles Per Gallon is simply miles driven divided by gallons used. So to calculate the miles driven you take the miles at the end of the tank and subtract the Miles at the start of the tank, and then you divide that by the total gallons of gas used.o to calculate the miles driven you take the miles at the end of the tank and subtract the Miles at the start of the tank, and then you divide that by the total gallons of gas used.
Then divide the number of miles by the gallons of fuel to get your vehicle's miles per gallon (MPG) rating. For example, if you traveled 250 miles on 10 gallons of gasoline, your car's MPG rating is 25.Once you know your car's MPG, you can calculate the amount of fuel you'll need on your road trip.ultiply the number of gallons you need times the average gas price to get your total fuel cost. For example, if gas is about $3.50 a gallon in your area and you need 20 gallons to drive your trip distance, you'll pay $75 for gasoline.