During a recent track meet, Peter ran x meters of the 100 meter dash in 8 seconds; running at the same rate, how many seconds will it take Peter to run z meters of the 200 meter dash? Pick one
A) xz/8  B) 8zx  C) 8x/z  D) 8/xz  E) 8z/x
Speed of Peter = x/8 meters per second   Time needed to run z meters = DISTANC8z/x/SP8z/x8z/xD = z / (x/8) = 8z/x   Option 8z/x   The values 100m and 200m have no role to play here and are just given to confuse you.
<result>E</result>
During a recent track meet, Peter ran x meters of the 100 meter dash in 8 seconds; running at the same rate, how many seconds will it take Peter to run z meters of the 200 meter dash?