(3/4):8=6:x(3/4)x=48 x=64(1.25/2.5)=(3.8/x)(1/2)=(3.8/x) x=(3.8)/(1/2) x=7.6(2/5):9=x:10 9x=4 x=4/93:(x+1)=9:4 9(x+1)=12 9x=12-9 x=1/37:x=4.8:9.6 4.8x=9.6*7 x=14