What is 15% of 68.97

68.97 divided by 10 = 6.897

10% = 6.897

6.897 divided by 2 = 3.4485

5% = 3.4485

5% + 10% = 15%

6.897 + 3.4485 = 10.3455 or to two decimal places, 10.35

∴15% of 68.97 is 10.35

I find I am best at percentages.

15:100=0.15 0.15*68.97=10.3455 is the answer