This Problem Set is a part of the Lesson 14, Unit 5, Grade 6. A roll of ribbon was 12 meters long. Diego cut 9 pieces of ribbon that were 0.4 meter each to tie some presents. He then used the remaining ribbon to make some wreaths. Each wreath required 0.6 meter. For each question, explain your reasoning. a. How many meters of ribbon were available for making wreaths? b. How many wreaths could Diego make with the available ribbon?