Can someone me with the answer to

If you want to divide by 4x, we need to make sure that all numbers are divisible by 4 and by x

16 is 4x4
12 is 4x3
4 is 4x1

x^3, x^2 and x all have x in them.

Step by step, divide each one by 4 and then by x.

16x^3 = 4x^2
12x^2 = 3x
4x = 1

therefore the answer is

If there are four friends then each would get, 1.25 or 1 1/4. so this is how i solved 5 ÷ 4 = 1.25 . hope this ; )