Please answer this correctly

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.