SOLUTION: Mr. Smith drove 18 miles west. He then turned east and drove 30 miles. The whole trip took Mr. Smith 1 1/2 hours. What was Mr. Smiths displacement at the end of the motion?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Mr. Smith drove 18 miles west. He then turned east and drove 30 miles. The whole trip took Mr. Smith 1 1/2 hours. What was Mr. Smiths displacement at the end of the motion?      Log On

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Question 1009460: Mr. Smith drove 18 miles west. He then turned east and drove 30 miles. The whole trip took Mr. Smith 1 1/2 hours. What was Mr. Smiths displacement at the end of the motion?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let East be positive and West negative.
D=-18%2B30=12
He is 12 miles east of where he started.