SOLUTION: Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same route and averaged 30 miles per hour. If Esther spent

Question 273172: Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same route and averaged 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work in the morning?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Write 2 equations:
Going to work:

Coming home from work:

---------------------
given:
mi/hr
mi/hr
hr
---------------------

then

Add the equations

mi
Esther drove 18 mi to work
check:

and

hr
OK

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