Justin needs 9 pieces of rope that are a 1 1/2 feet long each. He says he can cut the 9 pieces from a 12 3/4 -foot long rope. Is Justin correct? Write an equation with a complex fraction to support your answer.

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.