39
You simply subtract the year you were born from the current year/ For example: 2010-1971=39 so you would be 39 years old.
In 2010, someone born in 1971 would be 39 years old.
50
39
39
To find the answer, subtract 180 - 39. 39 + 141 = 180.
39
39
39
1971. (2010-39 = 1971)
39 / 9 = 4 + 1/3 So 9 can be subtracted from 39 4 times.