Estimate the sum of 299 and 388

One integer is 8 times another. if the product is 72, then find the integers

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?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great