What did this student do incorrectly to find the percent change from 14 dollars to 10 dollars?

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled