Wilbur won 98 super bouncy balls. He gave four to every student in his math class. He only has 10 remaining. How many students are in his class? Write an equation to represent the situation and solve.

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?