Question 1147359
{{{ t = -2m + 5 }}}
At 9:15
{{{ t = -2*15 + 54 }}}
{{{ t = -30 + 54 }}}
{{{ t = 24 }}}
Here's the graph:
 {{{ graph( 400, 400, -20, 100, -100, 100, -2x + 54) }}}