It is 37.
37/5 : 6*37/6 = 37/5 : 37 = 1/5 : 1 = 1 : 5
1
37 - 5 - 19 = 13.
Decreased means subtract. If your age is decreased by 5, that means take your age and subtract 5.
37
It is: 5*37 = 185
37 times
37 and 5/100 = 37 and 1/20 = 741/20
37
37-42 = -5
5 + [(5 + 5)/5]5 = 5 + 32 = 37