i think that will be 4# g" {) o- U* m( v8 I
if you list all the number from 1 to 10
! q- e6 A# @+ Jtvb now,tvbnow,bttvbseperate them into 3 groups
$ X! J) w- m% S$ ^( l/ i# B' }from 1 to 4 has 2 numbers between them0 z/ r2 w/ i0 Y7 y' C
from 4 to 7 has 2 numbers between them
) F: H, l8 s; \6 htvb now,tvbnow,bttvbfrom 7 to 10 has 2 numbers between them
g+ n& H1 Z4 y9 ?. I5 I+ jtvb now,tvbnow,bttvbso if you ask 1/3 of 10tvb now,tvbnow,bttvb$ s! S) c1 i& d5 t( q
that will be 4 |