Answer :
[tex]x-\ free\ throws\ which\ were\ attempted\\\\
75\%x=12\\\\
0,75x=12\ \ \ | divide\ by\ 0,75\\\\x=16\\\\
There\ were\ 16\ throws\ attempted. [/tex]
Let x be # of free throws attempted
75%x = 12
75% = 0.75
0.75x = 12
0.75x/0.75 = 12/0.75
x = 16
Therefore, 16 free throws were attempted.