Question 625901
First, I want to find 83 1/3 % as a fraction
I'll say {{{ .8333 = 1/k }}}
{{{ 1/k = 1/1.2 }}}
Multiply top and bottom by {{{ 5 }}}
{{{ 1/1.2 = 5/6 }}}
So, 83 1/3 % = 5/6
Then,{{{  b/c = 5/6 }}} 
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And 60% ={{{  6/10 }}}
{{{ 6/10 = 3/5 }}}, so
{{{ a/b = 3/5 }}}
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{{{ b/c = 5/6 }}}
{{{ b = (5/6)*c }}}
and
{{{ a/b = 3/5 }}}
{{{ a = (3/5)*b }}}
{{{ a = (3/5)*(5/6)*c }}}
{{{ a = (1/2)*c }}}
{{{ a/c = .5/1 }}}
Multiply top and bottom of the right side by {{{ 100 }}}
{{{ a/c = 50/100 }}}
{{{ a = ( 50/100)*c }}}
{{{ 50/100 }}} = 50%
a is 50% of c