New Orleans-Style French Toast - Pain Perdu. What You'll Need to Make This Amazing French Toast Kimberly Vardeman/Flickr This is not your typical French toast recipe. This is New Orleans-style French toast, made using thick slices of bread soaked in a custard batter, and after being browned lightly in a pan, they're baked golden brown.
The rate of discount is usually given as a percent, but may also be given as a fraction. The phrases used for discounted items include,  off, Save 50%, and Get a 20% discount.. Procedure: 1  To calculate the discount, multiply the rate by the original price. 2  To calculate the sale price, subtract the discount from original price.
If the original price is $P and the sale price is $S and the discount rate is still 15%. The discount is $P Ã 0.15 and hence the sale price is given by. $S = $P - $P Ã 0.15 = $P(1 - 0.15) = $P Ã 0.85. Now I hope you can see what to do.f you know the original price and the discount percent you can calculate the sale price. A little algebra then lets you turn this around and calculate the original price if you know the discount percent and the sale price.