329
It is: 28/40 times 100 = 70%
-40 + 70 = 30
The mean value of 100, 70, 70, and 20 is 65
the sum for 20 + 40 + 70 + 80 = 210
100 + 70 = 170
40
percentage = 40%% rate:= 28/70 * 100%= 0.40 * 100%= 40%
190
40
11. 10, 20, 30, 40, 50, 60, 70, 80 and 90 have One 0's each plus the number 100 has Two 0's hence making the total as 11.
42 + 79 = 121 (40+70) + (2+9) = = 110 + 11 = 121
70