SOLUTION: Twenty percent of XYZ Middle school walk to school. If the number of walkers doubles, and there is no change in the number of non--]walkers, what fraction of the students are n

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Question 806893: Twenty percent of XYZ Middle school walk to school. If the number of walkers doubles, and there is no change in the number of non--]walkers, what fraction of
the students are now walkers

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
Initially .20+.80=1
w's double 2*.20+.80
=.40+.80=1.20
.40/1.20
=1/3 fraction of the students that are now walkers.
.
Ed

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