CPM Homework Help : MC1 Problem 3-121

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

Hint 1:

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

Answer 1:

Hint 2:

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

Answer 2:

Hint 3:

Complete the rest of the square using multiplication.