Question

y : 4/5=3 1/8 : 1 1/4

Answer 1

y:$frac{4}{5}$=$frac{25}{8}$:$frac{4}{5}$=$frac{5}{2}$
y:[tex] frac{4}{5}=[tex] frac{5}{2}
y=[tex] frac{5}{2}:[tex] frac{4}{5}
y=2

Answer 2

(3*8+1)*4/(8*11)=25*4/(22*4)=25/22
у=
4/5*(25/22)=10/11
как-то так