3. A recipe calls for 4 ounces of chocolate. If you make 15 batches of the recipe for a large party, then how many pounds of chocolate will you need? Your answer must be written as a mixed number. Explain using words/diagra ms why your method of solution makes sense in a way children can understand. Do n_ot use dimensional analysis. For a similar example, refer to Practice Exercise 1 on page 518 of your textbook