This supply graph shows the supply of board games. how many board games are the sellers willing and able to sell at $20?

Option: B is the correct answer.

The number of board games that the sellers are willing and able to sell at $20 is:

                    B)  200

By looking at the graph we observe that the points that are plotted in the graph are as follows:

      Quantity supplied          Price ($)

              100                             10

              200                            20

              300                            30

              400                            40

              500                            50

Hence, we see that when the selling price of the items was $ 20

then the number of board games that were sold were: 200

3 Grams = 300 Centigrams