Answer:
50%
Step-by-step explanation:
0.3x = 15
0.3x x 10 = 15 x 10
3x = 150
3x/3 = 150/3
x = 50
15 is half of 30, therefore 30 divided by 2.
30 ÷ 2 = 15 = 1/2 = 50%
