B is correct because you wouldn't get the same answer as the other proportions if you solved it
Answer:
72.8
Step-by-step explanation:
Each length is 72 times longer so the actual dimensions are 381.6cm by 576 cm
Hey mate
here is your answer
length and width are given in the ratio are ;(4:7)
area of rectangle = (l×b)
therefore,
4x×7x=700
28x^2=700
x^2=700/28
x^2=25
x=5
length =4x=4×5=20, lenght =20 and width =7x so, 7×5=35 width.....
