Question 235318
(a) V = 18249 - 1903t


(b) V = 14564 - 1225t


(c) substituting ___ 18249 - 1903t = 14564 - 1225t


adding 1903t-14564 ___ 3685 = 678t


dividing by 678 ___ t = 3685 / 678 = 5.435 (approx) ___ about 5 1/2 yrs from 2002


substituting ___ V = 18249 - 1903 (3685 / 678) = 7906