It takes 1/8 of a roll of wrapping paper to completely cover all 6 sides of a small box that is shaped like a rectangular prism. The box has a volume of 10 cubic inches. Suppose the dimensions of the box are tripled.
a. How many rolls of wrapping paper will it take to cover all 6 sides of the new box? Write your answer as a fraction or round to the nearest tenth.
b. What is the volume of the new box?