If there are 9 students total and the ratio is 2:7 for walk home to ride bus then the answer would you would divide 2 from 7 which can be written as 7/2 then you would get your answer. Plus if the question says how many times the number... that means division:).
Ok so for 10 pounds there will be 160 ounces. To find the weight in ounces multiply 10 by 16. The number of pounds by the unit rate is 16 ounces per pound. Have a good day
