If 1 days worth of food for 3 dogs is 4 cans, how many dogs can be fed in 9 days with 60 cans.

I recommend giving this a good read:

http://scitech.net.au/maths7/Chapter-6-Ratios-and-rates.pdf

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

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2