how did we get 67% of all branches taken??

[6012130888]

Branches occur with a frequency of 14% to 16% in integer programs and 3% to 12% in floating point programs.
About 75% of the branches are forward branches
60% of forward branches are taken
80% of backward branches are taken
67% of all branches are taken

 

[6012130888]

i tried taking 60% 75 and 80% of 25 still am not getting 67%