Question

0,(3) supra 0,(16)= x supra 2 , 5

Answer 1

0,(3)=3/9=1/3
0,(16)=16/99

0,(3) supra 0,(16)=1/3:16/99=1/3•99/16=33/16

33/16=x/2,5
16x=33•2,5
16x=82,5
x=82,5/16=5,15625