1/3 : 0.125 = x : 1.3 2 3/8:x=7.125:30 x:3/20=0/39:1.3

Question

1/3 : 0.125 = x : 1.3
2 3/8:x=7.125:30
x:3/20=0/39:1.3

Answer 1

1)1\3*1\0.125=х*1\1,3
х=1,3\0.375
х=3.5
2)23\8х=7.125\30
8х=23*30\7.125
8х=97
х=12.125
3)20х\3=0\50.7
х=0