0
Wiki User
3
7/10 * 30 = 0.7 * 30 = 21
8/30
30
5/30 + 12/30 = 17/30
1/30
one tenth of 30 = 3
To find one tenth, divide by 10, so 30/10 = 3
30%
1/10 x 30 = 3
30 of them.
30.0