Twenty eight children attend the birthday party. if each child gets 10 party favors and there are 70 favors in each box , how many boxes should raymond buy?

So you will do 28 children * 10 favors and get 280 party favors then take that and decide by 70 you get 4 boxes

Need additional information, which is the height and which is the diameter of the cylinder from the measurements supplied?  Standard forumula for locating Radius and Volume of a cylinder are as follows.

Radius=Diameter/2


Volume=Base X height


Base= 3.14*r*r