Idid them but i want to make sure i solved them correctly. ?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Ill mark the brainliest if you me with the these three questions 7,8,9

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?