Lenox ironed 1/4 of the shirts over the weekend she splits the remandier of work equally over the next 5 day if she has 40 shirts how many will she need to iron on thursday and friday

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters