Answer: our rectangle is 23 meters of width and is 54 meters long.
Explanation:
The perimeter of a rectangle is P = 2*W + 2*L
where W is the width and L is the length.
We know that W = 23m and P = 154m
then:
154m = 2*23m + 2*L
(154m - 2*23m)/2 = L = 54m
So our rectangle is 23 meters of width and is 54 meters long.