Answer:
The length is 10 cm
Step-by-step explanation:
The area of a rectangle is found by
A = l*w
240 = 24*l
Divide each side by 24
240/24 = 24l/24
10 =l
or
if accepted:
Initial value
177000
Final value
174,876
Decrease
1.2%
Difference
-2,124