600/15 = 200/5 = 40
15% of 600 = 15% * 600 = 0.15 * 600 = 90
You multiply 600 by .15 because .15 is the same as 15%.
2166666.6667
4.6875
15% = 0.15599.85 + 0.15 = 600==================================600 is 15% larger than 521.73913 (rounded)
40
40
15
40
15
5857 divided by 600 = 9.761666666666667
0.0033
0.1167
50
0.01
11.5385
4