about 16.6%
39 over 50 as a percent is 78%
.235
39%
39/100 = 39%
39 over 20 = 195%
Factors of 39 (besides itself and 1) are 3 and 13. 235 isn't divisible by any of these except 1, so I don't see how it can.
39/40 x 100 = 97.5 percent.
39/60 = 65%
0.39 or 39%
65% 39/60, *100
45 percent of 235 = 105.75
60%