9 students. Write a fraction equality like: 3/8 = s/24. (S represents students) to get 8 equal to 24, you have to multiply it by 3, so you multiply the fraction 3/8 by 3 on the numerator and the denominator to get: 9/24
18
you just multiply 6 by 3 because 4 is being multiplied by 3 as well to get $12
Hence, Height of rectangular prism is 2 feet.
