4/28/08 - Problem of the Week (Problems)

Footprints Found - The Solutions
June 30, 2008

11 miles/1 hour = 0.2 miles/x hours

11x =0.2

x = 0.0181818…. hours

(0.0181818…)(60) = 1.1 minutes, to the nearest tenth

27.5/5 = x/1

27.5 = 5x

x = 5.5 inches

Previous average: (1.1 + 3.6)/2 = 2.35

New average: (1.1 + 3.6 + 11)/3 = 5.23333….

(5.23333….- 2.35)/ 2.35 = 1.22695… or 122.7%


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