Question 48251
s(t)= -16t + 208t
550= -16t + 208t  [Set the problem equal to 550 feet]
550= 192t  [Combine like-terms]
550/192 = 192t/192  [Solve for "t"]
2.8645 = time
.
Check by plugging (2.8645 = t) back into the original equation]
s(2.8645)= -16(2.8645) + 208(2.8645)
s(2.8645)= 549.984 = 550 [Checks out]