This is what I got as my answer. Hope it helps!
Answer:
The surface area of door is 33 680 cm².
Step-by-step explanation:
Given that the surface area of a cuboid which is the 3D of rectangle is :






Let, the original price = x
It would be: x*60% = 48
x = 48 / 0.60
x = 80
In short, Your Answer would be $80
Hope this helps!
Answer:
x = 42, y = 36.37
Step-by-step explanation: