It's 28.2
this is clearly a trick question. 20 plus 20 plus 20 is equal to 60 and there is 60 minites in 1 whole hour so 20 plus 20 plus 20 is equal to 1.
25 plus 25 plus 25 plus 20 plus15 plus 6 is equal to 116.
67 003 422. You're probably doing homework, right?
10 plus 20-2 - 11 plus 3 is equal to 20.
1 + 10 + 20 = 31
24 + 18 + 20 + 22 = 84
20 + 1 = 21
100 + 20 = 120
20
20
your answer is 20 ( 10+5=15+5=20)
yess