B I think but i could be totally wrong
So you ave a 3 out of 10 chance to get a letter in eh word DIG then you have a 1 in 2 chance of drawing an odd number add those together.
13 out of 30 chance
Simplify if necessary, hope this helps
Total ratio=9+11=20
number of girls=11/20*400
=220
The answer is
2)40
3)y=3\2
