advertising in arecent uear, outdoor advertisements amounted to 2.2% of all advertising dollars spent in the u.s. what fraction is this?

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"advertising in arecent uear" = ???

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2.2% = (2 2/10)% = (2 1/5)% = (11/5)%
= (11/5)% / 100% = (11/5)% * 1/100%
= 11/500.