Alright, lets get started.
Freya, a post office clerk, uses 2 yards, 1 foot, 7 inches of twine to wrap each damaged carton she repairs.
[tex]1 inch = 0.0833 feet[/tex]
So,
[tex]7 inches = 7 * 0.0833 = 0.5833 feet[/tex]
2 yards 1 feet 7 inches means 2 yards 1 feet and 0.5833 feet
Means 2 yards [tex]1 + 0.5833 = 1.5833[/tex] feet
2 yards 1.5833 feet
[tex]1 feet = 0.33 yards[/tex]
So, [tex]1.5833 feet = 1.5833 * 0.33 = 0.528 yards[/tex]
Means 2 yards and 0.528 yards = 2.528 yards
It means for 1 carton, she needs twine = 2.528 yards
So, for 17 carton, she needs twine = [tex]2.528*17 = 42.976 yards[/tex]
It means she needs 42.976 yards twine. : Answer
Hope it will help :)