Question

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?

Answer 1

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

There were 3000 travelers polled

Answer 2

100-85=15
450=.15x
x=450/.15
x=3000