### Home > MC1 > Chapter 3 > Lesson 3.4.3 > Problem 3-121

3-121.

Copy and complete the generic rectangle below. What multiplication problem does it represent and what is the product?

You know that 5(something) = 100. What is that something?

You know that 20(something) = 200. What is that something?

Complete the rest of the square using multiplication.