SOLUTION: 20 miles so far, which is four-fifths of the way home. What is the total length of her drive?

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Question 990817:
20
miles so far, which is four-fifths of the way home. What is the total length of her drive?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
d = distance
20 miles = (4/5)d = 4d/5
4d/5 = 20
4d = 100
d = 25
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Or,
20 miles = 4/5
----
How far is 1/5 ?
Then, how far is 5/5 ?