Question 823646
She buys {{{ x/99 }}} kg/cents
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That means she is buying {{{ ( x/99)/ 1 }}} kg/cent
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That means she buys {{{ x + x/99 }}} kg for
{{{ 99 + 1 }}} cents, or $1
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With {{{ y }}} dollars, she can buy:
{{{ y*( x + x/99 ) = x*y( 1 + 1/99 ) }}} kg
{{{ x*y( 1 + 1/99 )  = (100/99)*x*y }}}