The mean of any five numbers is 0.2 of their sum.
If you mean 50% of 42 then it is 21
42 out of 50 = 100*42/50 = 42*100/50 = 42*2 = 84%
What is 42% of 50:= 42% * 50= 0.42 * 50= 21
45
50 is 42% of= 50 / 42= 50 / 0.42= 119
42 to 18 is 42:18 is 42/18 Which is 2 1/3
6, 12, 18, 24, 30, 36, 42, 48.
18.42 = 18 and 42/100 = 1842/100 = 921/50
42 * 50 = 2,100
8
50% of 42 is 21.
42-18 = 24