Question 1031760
His rate for water use is:
{{{ 3 / 10 }}} trees / gallon
------------------------
{{{ t = ( 3/10)*g }}} ( slope-intercept )
{{{ t - ( 3/10 )*g = 0 }}} ( standard form )
---------------------------------
Here's the plot of {{{ t = f(g) }}}
{{{ graph( 300, 200, -10, 100, -5, 50, .3x ) }}}