In 2004 Colin had a salary of $7200 This was an increase of 20% on his salary in 2002. Calculate his salary in 2002.

I think it would be $3400

Step-by-step explana

i dont know

step-by-step explanation:

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