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poops
let the distance be x miles let the normal speed by y mph time at normal speed = x/y but x/y = 4 x = 4y time at slower speed = x/(y-6) x/(y-6) = 4.5 4.5y - 27 = x 4.5y - 27 = 4y .5y = 27 y = 54 , x = 4(54) = 216 He lives 216 miles from work. normal speed
