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in a poll of travelers 85% said that traveling by air makes them nervous and 450 travelers said that it does not make them nervous. how many travelers were polled?
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in a poll of travelers 85% said that traveling by air makes them nervous and 450 travelers said that it does not make them nervous. how many travelers were polled?

User Saranjith
by
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2 Answers

6 votes
Let y = the number of travelers polled
.85y=y-450
450=y-.85y
450=.15y
y=3000

There were 3000 travelers polled
User Serhii Matrunchyk
by
9.2k points
2 votes
100-85=15
450=.15x
x=450/.15
x=3000

User Viktor Svensson
by
8.4k points
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