When can a/b be written as a negative, terminating decimal between 0 and -1?

15 points ! ~ see if you know the answer to both you!

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?

If rt is greater than ba, which statement must be true ?