Find the constant of proportionality k. Then write an equation for therelationship between xandy(Example 2)2. X8 16y 10 2030 40ESSENTIAL QUESTION CHECK-IN4. How can you represent a proportional relationship using an equation?20 nit 92432
4)If total cost t is proportional to the number n of items purchased at a constant price p, the relationship between the total cost and the number of items can be expressed as t = pn.