Question 852803
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Hi,
(2, 8)
(3,7.25)  m = .75/-1 = -3/4/1 =  -3/4 in/min
Candle length prior to burning for 2min:   
{{{2(3/4) = 6/4 = 1.5}}}  {{{8 + 1.5 = 9.5}}}
 y = (-3/4)t +  9.5