25% discount is: -200.25 Total is: 599.25
599.25 - without the aid of a calculator !
If 7.5 percent is added to $799, then the total cost is 107.5 percent of $799 = (1.075 x 799) = $858.93
65% of 799 = 65% * 799 = 0.65 * 799 = 519.35
15% of 799 = 799*15/100 = 119.85 So 799 less 15% = 679.15
799 - 79.9 = 719.1
79.9
159.8.
79.9% = 0.799 = 799/1000 in fraction
Subtracting 15 percent from 799 gives 799 x (1 - (15/100)) = 679.15. If the number refers to a unit of currency, don't forget to include the appropriate currency unit.
25 percent of 25 percent = 0.0625
Divide per cent by one hundred to get a decimal 7.99 percent = 0.0799 as a fraction 0.0799 is 799/1000