Question

x分之八=五分之二8/x＝2/51.25/4=0.75:x0.6/16=1.5:x3/4:5/12=x:2/30.75:

Answer 1

1:x=8/(2/5),x=20

2:x=0.75/(1.25/4),x=2.4

3:x=1.5/(0.6/16),x=40

4:x=3/4:5/12*2/3,x=1/2:5/12,x=1.2

5:x=0.75/(1:7/5),x=1.05

6:x=(1/2)/(1/6:2/5),x=1.2

7:x=4.2*0.9/1.05,x=3.6

8:x=(2/5)/(0.5:1/5),x=0.16