Question 1154302

simply divide {{{126 }}} by {{{10& 1/2=10.5}}}

{{{126/10.5=12 }}}

or this way:

{{{126 }}} miles on {{{10& 1/2}}}={{{21/2}}} gallon

{{{126/(21/2)}}}

{{{(126*2)/21}}}

{{{(cross(126)6*2)/cross(21)1}}}

{{{12/1}}}

so, the simplified ratio of miles to gallon is {{{12}}}mil to {{{1}}}gallon