Question

Помогите срочно!!!Номер 8!!Очень надо

Answer 1

(4 1/6 - x ) : 4 8/9 = 1 1/2 : 1 13/15
(4 1/6 - x ) : 4 8/9 = 3/2 * 15/28
(4 1/6 - x ) : 4 8/9 = 45/56
4 1/6 - x = 45/56 * 4 8/9
4 1/6 - x = 45/56 * 44/9
4 1/6 - x = 55/14=3 13/14
x = 4 1/6 - 3 13/14
x = 4 7/42 - 3 39/42
x = 10/42 = 5/21