30/x=2/9 me ajudemmm porfavor eh urgente

What is the difference between the predicted value and the actual value

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6