Antonia recorded the number of cups of hot chocolate that were sold at soccer games compared to the outside temperature. The graph below represents her data. Hot Chocolate Sales A graph has temperature (degrees Fahrenheit) on the x-axis, and cups sold on the y-axis. Points are grouped together between 43 degrees and 57 degrees. For which temperature would the prediction of the number of cups sold be an interpolation? 21°F 35°F 49°F 63°F