465 - 30 = 435
30% of 465= 30% * 465= 0.3 * 465= 139.5
Less than 10 cents.
There are 18 that are less than 30.
(30 + 1) * 30/2 ie 465
215 - 30 = 185. So, 185 is 30 less than 215.
Febuary has less than 30 days.
30% less than 10 = 70% of 10 = 7
30/100*1550 = 465 dollars
30*31/2 = 465
465
The total is 465
less than