11.7647
200
? Divided by 9 = 200
many things 85/100 =17/20 for example so does 170/200 and 340/400
31 divided 200 = 0.155
0.5kg divided 200 = 0.0025
200 divided in the ratio of 19 = 10.526315789473685
A divided by 17 = A/17
16.6667
50
0.4082
0.125
36.3636