(у-3) : 8 = 3 1\8 : 1 1\4

Question

(у-3) : 8 = 3 1\8 : 1 1\4

Answer 1

1 1/4*(y-3)=8*(3 1/8)
1 1/4y - 3 3/4 = 25
1 1/4y = 25 + 3 3/4
1 1/4y = 28 3/4
y = 115/4 * 4/5
y = 23