How to do this question plz

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?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.