19
18
It is: 21+18+15 = 54 and 54/3 = 18 which is the mean average
17
It is: 14+15+22+21 = 72/4 => 18 which is the mean average
18/21 x 15 is 12 6/7
18
It is: 21+18+15 = 54 and 54/3 = 18 which is the mean average
17
It is: 14+15+22+21 = 72/4 => 18 which is the mean average
13/15 = 65/75 21/25 = 63/75 13/15 is bigger.
If he/she is 18 and older and you 15 and younger than no. But if you like 13 and he/she 15 then yes,if you are 18 and he/she is 21 then yes.
15+6 is 21. 13 + what is 21? 21 - 13 is 8 Eight
18/21 x 15 is 12 6/7
16.5 is the median.
The mean is 13.29
LCD(21, 13, 14, 15) = 2730
It is (21+15)/2 = 36/2 = 18