If youre weaving a wool blanket and you have used 9 balls of yarn so far and are 7/15 of the way done with the blanket. How many more balls of yarn are you going to need? Set this problem up with the...

If youre weaving a wool blanket and you have used 9 balls of yarn so far and are 7/15 of the way done with the blanket. How many more balls of yarn are you going to need? Set this problem up with the aid of a strip diagram and write out an algebraic equation that corresponds to the strip diagram.