SOLUTION: Twenty percent of Poe M.S. students 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 w

Question 1149747: Twenty percent of Poe M.S. students 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 josmiceli(19441) (Show Source): You can put this solution on YOUR website!
20% walkers, or 1/5, is a ratio of [ 1 walker ] / [ 4 non-walkers ]
Now double the number of walkers
[ 2 walkers ] / [ 4 non-walkers ]
As a fraction of all the students, this is:

1/3 of the students are now walkers

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