Using a balance scale and three weights, you can weigh any whole number of pounds from 1 to 13 lb. what are the weights? a. 1 lb 4 lb 5 lb c. 1 lb 5 lb 10 lb b. 1 lb 3 lb 9 lb d. 2 lb 6 lb 8 lb

I think the answer is b.  1, 3 and 9 pounds.

To weigh            Left  pan          Right pan

1  pound                  1                       object to be weighed

2                              3                    1  + object

3                              3                    object

4                              3+1                  object

and so on  

Answer is   1 , 3  and 9 pound weights.

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !

attachment?

step-by-step explanation: