The method of writing a number as product of two
factors is called​

 prime factorization.

Step-by-step explanation: When we write a number as a product of all its prime factors, it is called prime factorization. Every number in prime factorization is a prime number. Sometimes to write the prime factors of a number we might have to repeat

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .