SOLUTION: Jason leaves Detroit at 4:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 4:48 PM. (a) Express the distance traveled in terms of

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Jason leaves Detroit at 4:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 4:48 PM. (a) Express the distance traveled in terms of       Log On

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Question 777146: Jason leaves Detroit at 4:00 PM and drives at a constant speed west along I-96. He passes Ann Arbor, 40 mi from Detroit, at 4:48 PM.
(a) Express the distance traveled in terms of the time (in hours) elapsed.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+d+=+r%2At+
+40+=+r%2At+
4:48 minus 4:00 = 48 min
Time in hours is +48%2F60+=+4%2F5++ hrs
+40+=+r%2A%284%2F5+%29+
+r+=+%285%2F4%29%2A40+
+r+=+50+ mi/hr
+40+=+50%2A%284%2F5%29+