Solve it...

[ ] + [ ] + [ ] = 30 fill the brackets using below numbers ( 1, 3, 5, 7, 9, 11, 13,15 ) you can repeat the numbers... Please help me! Many more people unsucceed to solve it

2 answers

since all the numbers are odd, there is no way adding three of them can give an even result.
7+9+15