10% as a decimal (a value between 0 and 1) is 0.1
So 4 eggs is 2/3of 6 eggs, so to get the amount of milk we multiply the 3 cups by 2/3 (or just divide by 3 and multiply by 2) and get 2 cups of milk.
Hope this helps!
2 m - polyester fabric: 4, cotton fabric: 14
6 m - polyester fabric: 12, cotton fabric: 42
8 m - polyester fabric: 16, cotton fabric: 56
9 m - polyester fabric: 18, cotton fabric: 63
check:
2 m: 4/14=2/7
6 m: 12/42=2/7
8 m: 16/56=2/7
9 m: 18/63 = 2/7
5/6 would be the best answer beside the other 2 choices that you have