Question 550104
There are 11 classes. 
The fraction of classes with an A is {{{ 6/11 }}}
The fraction of classes with a B is {{{ 4/11 }}}
The fraction of classes with a C is {{{ 1/11 }}}
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% of A's is {{{ (6/11)*100 }}} = 54.55%
% of B's is {{{ (4/11)*100 }}} = 36.36%
% of C's is {{{ (1/11)*100 }}} = 9.09%
These add up to 100%