### Home > CAAC > Chapter 1 > Lesson 1.1.3 > Problem 1-30

1-30.

What times one half = 1?

What two numbers multiply to 10 and add to 7?

Refer to the diagram above for more help.

Refer to the diagram above for more help.

1-30.

What times one half = 1?

What two numbers multiply to 10 and add to 7?

Refer to the diagram above for more help.

Refer to the diagram above for more help.