BALLS FALLING OFF TABLE

Ball #1 (mass m) rolls off a table of height h and ball #2 (mass 2 m) rolls off a table of height 3 h. The balls have the same initial speed and hit the floor at horizontal distances x1and x2from the base of the table respectively. Which statement is true?
a)x2=9×1
b)x2=x1
c)x2= 3×1
d)x2=3×1