21
23
We need to know what half of 42 is by halving. We all know half of 4 is two since 2+2=4 and 4-2=2 Then, we need to know what half of 2 is, and we know its 1 because 1+1=2 and 2-1=1 so there's your answer, put the 2 and 1 together, putting the one in the ones column and 2 in the tens column. You get 21
twenty one people twenty dam one how do u guys not know this.
21 is half of 42.
half past two
21
23
A half of 42 is 42/2 = 21
42 ÷ 2 = 21 centimetres (Therefore, half of 42 is 21.)
42
It is: 42/2 = 21
21
21.
1/2 times 42 = 21
42.5
21
That is 42 half pints
21 and 27
Half way between 36 and 42 is (36 + 42) ÷ 2 = 39.