Answer:
the greatest common factor is 6
The choose ( 0.25 )
Relative Frequency = Category Frequency / Total Frequencies
Category Frequency (prefer tennis) = 7
Total Frequencies = 28
Relative Frequency = 7 / 28
Relative Frequency = 0.25
I hope I helped you^_^
2*2 equels 4 so you find out that x equels 2
Um 48
Hope this helped you