Question 682790
The miles/gallon is {{{ 250 / 10 }}}
Divide top and bottom by {{{ 2 }}}
{{{ 250 / 10 = 125 / 5 }}}
Now multiply top and bottom by {{{ 3 }}}
{{{ 125 / 5 = 375 / 15 }}}
You can go 375 miles on 15 gallons