Imari went on a hike and recorded the number of each type of bird he saw. the circle graph shows the results of his count.

imari saw 42 sparrows.

how many birds did he count in all?

enter your answer in the box.

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