Verified answer

(3/4 + 2 3/4) * 25,8 = 90,3

1) 3/4 + 2 3/4 = 2 6/4 = 3 2/4 = 3 1/2 = 3,5

2) 3,5 * 25,8 = 90,3

3/4 = 0,75        2 3/4 = 2,75     в десятичных дробях

(0,75 + 2,75) * 25,8 = 3,5 * 25,8 = 90,3