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