What is the measure of the angle ? Enter the answer in the box

Having a hard time understanding this question (see attachment).

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

Yolanda wanted to buy a total of 6 pounds of mixed nuts and dried fruit for a party she paid 21.60 for mixed nuts and 11.90 for dried fruit did yolanda but enough mixed nuts and dried fruit for the party