Question

40% of what number is 12

Answer 1

40%=12

40%/3 gives you 10%

10%=3

10% times 10 gives you 100%

100%=30

Answer 2

thnx

Answer 3

no problem :)
you could also do it as:
x times 0.4 = 12
x=12/0.4
x=30

Answer 4

what about 12 % of what number is 105?

Answer 5

try using the same method :)
i'll start you off:
1%=105/12

Answer 6

Have you done it? :)