The snack bar at your school has added sushi to its menu. The ingredients for one roll include sushi rice, seaweed sheets, cucumbers, cream cheese, and 3 oz of smoked salmon. One roll can be cut into 7 servings. Write an expression for the amount of salmon needed to make s servings of sushi. How much salmon is needed to make 14 servings? 21 servings? 70 servings? 100 servings? What operations are needed in your calculations? Use a table to help you organize your results. What will you use for the column headings in your table?