Question 744074
In terms of units:
( gallons ) / ( gallons / min ) = min
{{{ 100 / ( 4/9) = (9/4)*100 }}}
{{{ (9/4)*100 = 225 }}}
This answer is in minutes. To get hours:
( minutes ) x ( hours / minute ) = hours
{{{ 225*(1/60) = 3.75 }}}
and {{{ .75*60 = 45 }}}
It will take Bill 3 hrs and 45 min