0
Y
(a - t)/(b - t) = c
=> a - t = c(b - t) = cb - ct = bc - tc
=> tc - t = bc - a
=> t(c - 1) = bc - a
=> t = (bc - a)/(c - 1)
if you mean T-3t+2t+4 (T and t is different variables):T-3t+2t+4=T-t+4if you mean t-3t+2t+4:t-3t+2t+4=4
13 + T >= 24 T >= 11 T is at least 11.
teapot!