已知x:y=0.5:0.3,y:z=1/5:1/2,求x:y:z.
问题描述:
已知x:y=0.5:0.3,y:z=
:1 5
,求x:y:z. 1 2
答
因为x:y=0.5:0.3=5:3,
所以x=
y;5 3
因为y:z=
:1 5
=2:5,1 2
所以z=
y;5 2
则x:y:z,
=
y:y:5 3
y,5 2
=
:1:5 3
,5 2
=10:6:15.