I need these checked, please.
1. A rectangular prism is made up of 4 layers of blocks. Each layer has 8 blocks and each block has a volume of . What is the volume of the prism?
=> length x width x height
2. Three and a half cakes were shared equally among 7 students. What portion of a cake did each student receive?
3. A truck can hold kg of sand. How many similar trucks will together hold 5 kg of sand?