20
4/55 (four fifty fifths)
Three and 2 fifths divided by three fifths = 17/3 or 52/3
six and three fifths
3/5 of 50 is 30.
Fifty three hundredths is one of an infinite number of possible answers.
0.0225
20
44
4/55 (four fifty fifths)
180
minus three fifths
Assuming that you mean "fifths", the answer is three fifths.
Three and 2 fifths divided by three fifths = 17/3 or 52/3
six and three fifths
7/55 = 0.12727...
4/5 = 40/50