Show The Four Bicyclists The circles in the Illustration represent repre-sent four cinder paths Four cyclists started together from the center C nt noon for a run each going round and round his own circle Atkins went at tho rate of six miles an hour Brown at the rate of nine miles an hour Cook at twelve miles an hour and Dopper at fifteen miles an hour Thev agreed to ride until all should meet together for the third time at tho center cen-ter C The distance lound each circle was a third of a mile When did they finish their ride |