Question

Помогите пожалуйста!

Answer 1

S(CAN)/S(ANB) =1/7 => S(ANB)/S(ABC) =7/8  

S(ANM)/S(MNB) =3/1 => S(MNB)/S(ANB) =1/4  

S(MNB)/S(ABC) =1/4 *7/8 =7/32 => S(MNB)/S(AMNC) =7/25 =0,28 =28%