Within a large metropolitan area, 20% of the commuters currently use the public transportation system, whereas the remaining 80%
commute via automobile. The city has recently revitalized and expanded its public transportation system. It is expected that 6 months from now 30% of those who are now commuting to work via automobile will switch to public transportation, and 70% will continue to commute via automobile. At the same time, it is expected that 70% of those now using public transportation will commute via automobile and 30% will continue to use public transportation. In the long run, what percentage of the commuters will be using public transportation? (Round your answer to the nearest percent.)
1 answer:
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Answer:
4.25
Process:
- 5=4b-12
- 4b=12+5
- 4b=17
- b=
- b= 4.25