Question

Consider the expression 63+81. How can you use the distributive property and the GFC to find an equivalent expression? Explain how you can check your answer.

Answer 1

(See explanation)

Explanation:

The expression is simplified as follows:

`63 + 81`

`9 * (7+9)`

`9* 16`

`144`

This answer can be checked by summing the previous formula:

`63 + 81`

`144`