Answer:
n = 15
Explanation:
A
the area (A) of a rectangle is calculated as
A = length × width
here length = n - 3 and width = 2 , then
A = 2(n - 3)
given A = 24 , then
2(n - 3) = 24
B
solving the equation for n
2(n - 3) = 24 ← divide both sides by 2
n - 3 = 12 ( add 3 to both sides )
n = 15