Question 1062605: A book costing 7.80 dollars is sold at a discount of 15%. What is the discounted price Found 2 solutions by Theo, MathTherapy:Answer by Theo(13342) (Show Source):
You can put this solution on YOUR website! discounted price would be 7.80 - .15 * 7.80 which is equal to (1 - .15) * 7.80 which is equal to .85 * 7.80 which is equal to 6.63.
the difference is 7.80 - 6.63 = 1.17.
1.17 / 7.80 is equal to .15 which is equal to 15% of 7.80.