Betty decides to support local artists by hanging their artwork in her shop. When decorating the coffee shop, Betty comes across the following formula for placing pictures on her walls: 1 third open vertical bar A-12 close vertical bar plus 2 over 3 open vertical bar |a| close vertical bar, where A equals the number of pictures that she would like to hang.

Question

What is the value of this expression when A =9?

Answer 1

(1/3)|A-12| + (2/3) |A|

(1/3)|-3| + (2/3)|3|

1 + 2

Answer 2

(1/3)|-3| + (2/3)|9|

1 + 6