Proportional relationship between milk and cocoa powder measured in cups and tablespoons, illustrated on a number line.
Number line diagram showing the relationship between milk (cups) and cocoa powder (tablespoons), with corresponding values at 0, 1, 2, 3, 4, 5, 6 cups of milk and 0, 3, 6, 9, 12, 15, 18 tablespoons of cocoa powder.