Question 934562
For saturday:
{{{ d[1] = 50*5 }}}
{{{ d[1] = 250 }}} mi
------------------
For sunday:
{{{ d[2] = 45*10 }}}
{{{ d[2] = 450 }}} mi
------------------
saturday:
( gallons ) = ( miles driven ) / ( mi / gallon )
{{{ 250 / 25 = 10 }}} gallons
------------------------
sunday:
{{{ 450 / 25 = 18 }}} gallons
-------------------------
She used a total of {{{ 10 + 18 = 28 }}} gallons