Question

The expression 4x4x4, x gives the perimeter of a square with a side length of xxx units. What is the perimeter of a square with a side length of \dfrac57 7 5 ? start fraction, 5, divided by, 7, end fraction units?

Answer 1

`(20)/(7)\ \text{units}`

Explanation:

Put the side length where x is, then do the arithmetic.

P = 4x

P = 4(5/7) = 20/7

The perimeter is 20/7 units.