24 people
Explanations:Number of people that can be served with 6 cups of rice = 14
Number of people that can be served with 1 cup of rice = 14/6 = 7/3
Number of people that can be served with 21/2 cups of rice = 21/2 x 7/3
Number of people that can be served with 21/2 cups of rice = 147/6
Number of people that can be served with 21/2 cups of rice = 24.5
24 people can be served with 21/2 cups of rice
