i think that will be 4" k/ t$ w8 C' Z: c) E6 q/ }' z9 ~- N
if you list all the number from 1 to 10
0 ~+ p( f3 y3 `7 ]( A+ N0 Ltvb now,tvbnow,bttvbseperate them into 3 groups% h7 B% N0 [% K1 ]+ O5 E K
from 1 to 4 has 2 numbers between themtvb now,tvbnow,bttvb' _7 L" d' x, E4 v
from 4 to 7 has 2 numbers between them) j5 [/ M- I2 q2 B
from 7 to 10 has 2 numbers between them
$ l% }7 E6 y- ntvb now,tvbnow,bttvbso if you ask 1/3 of 10
& Z x) q% Q9 ^2 C( x* B0 gthat will be 4 |