Question 1006191
Without the tip, she paid:
{{{ 15 - 2.2 = 12.8 }}}
Let {{{ x }}} = number of miles for cab ride
{{{ 1.6 + .8x = 12.8 }}}
{{{ .8x = 11.2 }}}
{{{ x = 14 }}}
The cab ride was 14 mi