Asked by Bob

Esther drove to work at 45 miles per hour. Returned home at 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Ester drive to work in the morning?
Answered by Reiny
Let the distance to work be x miles

time to : x/45
time fro : x/30

x/45 + x/30 = 1

solve for x:
I suggest multiplying each term by 90, the LCD, to clear fractions.
Answered by bob
mainly i really don't know so goog d luck
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