A seesaw is in balance when a weight times its distance on one side of the fulcrum is equal to another weight times its distance on the other side of the fulcrum. In the diagram, the 20-lb. weight is 5 feet from the fulcrum and another weight is 8 feet from the fulcrum. Using the in-balance seesaw shown, find the number of pounds in the weight represented by N.

12.5

Step-by-step explanation:

The 20 lbs on the left side time the 5 feet is equal to 100.

You need the weight on the right side to equal 100 when it is multiplied to it's length from the fulcrum, which is 8.

All you need to do is divide 100 by 8, to get 12.5.

what graph

step-by-step explanation:

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a