It is: 100 -21 = 79
69%. Just subract 31 from 100. 100-31=69.
100 tiem if u subract it by one
125 - 20% = 80% of 125 = 125*80/100 = 100
9 hr 20 min daylight, subract fir 24 to get darkness
subract mean to take a away an amount and then you have small amount left over.
the differerence
21%% rate:= 21/100 * 100%= 0.21 * 100%= 21%
The pattern shown is add one, subract two, subract two, then add four.
21/100 = 21%
21 - 100 = -89
It is 21 minus 100 = -79
The fraction of 21% is 21/100, or 21 over 100.