Question 1131698
y, distance remaining, miles
x, time used, minutes


{{{y=-0.9x+b}}}


Point described is  (44, 53), 
-
{{{b=y+0.9x}}}
{{{b=53+0.9*44}}}
{{{b=92.6}}}
-
{{{highlight(y=-0.9x+92.6)}}}
Note that {{{x>=0}}} required.


The question----------
{{{36.8}}}{{{miles}}}