L = 4 + w
l/w = 7/5
l = 7w/5
7w/5 = 5 + w
7w = 25 + 5w
2w = 25
w = 12.5
l = 4 + 12.5
l = 16.5
the dimensions are 16.5 x 12.5 cm
The first one is 19,487,171 and the second is 7,776
C is the correct answer hope this helps you and have a great day
Its just a black screen for the picture
