886
535 add 275 = 810
810
Well, darling, it's simple math. If you take 405 and add it to another 405, you get 810. So, 405 plus 405 equals 810. Easy peasy lemon squeezy.
5% of 810= 5% * 810= 0.05 * 810= 40.5
17% of 810= 17% * 810= 0.17 * 810= 137.7
810
800
810
810
-77 + 77 = 0, and 0 + 76 = 76. You can take those two additions of 77 and 76, and add them together. 77 + 76 = 153, which is the answer.
0.33 * 76 = 25.08 or 10% of 76 = 7.6 * 3 = 22.8 (30%) 1% of 76 = 0.76 * 3 = 2.28 (3%) add together = 25.08
810/2 = 405 810/3 = 270 * 810/4 = 202.5 810/5 = 162 810/6 = 135 810/9 = 90 810/10 = 81 so 810 is divisible by 2 3 5 6 9 10 but not by 4