ANSWER: 21 days : 30 days = 7:10
If you mean: 21/30 then it is 7/10
10:7
7:10
It is 21/1 or 21:1
ANSWER: 21 days : 30 days = 7:10
If you mean: 21/30 then it is 7/10
10:7
7:10
90
7:10 = 3.5:5 = 14:20 = 21:30
It is 21/1 or 21:1
21% = 21/100
21/7 = 3 Or, a 3 to 1 ratio.
13:21
The ratio of 30 to 10 is the same as a ratio of 3 to 1.
The ratio is N:21