SOLUTION: Ms. Rubio took a trip from Seattle to McCall, Idaho by going through Spokane. The distance from Seattle to Spokane is 278 miles. She drove the remaining 262 miles from Spokane to M

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Ms. Rubio took a trip from Seattle to McCall, Idaho by going through Spokane. The distance from Seattle to Spokane is 278 miles. She drove the remaining 262 miles from Spokane to M      Log On

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Question 1166245: Ms. Rubio took a trip from Seattle to McCall, Idaho by going through Spokane. The distance from Seattle to Spokane is 278 miles. She drove the remaining 262 miles from Spokane to McCall going an average of 5 mph faster. The whole trip took 10 hours. What was her average speed from Seattle to Spokane?

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
                       SPEED          TIME        DIST

SeattleSpokane         r                          278

SpokaneMcCall         r+5                         262

TOTAL                               10

Form and solve equation 278%2Fr%2B262%2F%28r%2B5%29=10.