Koka buys three dozen japanese andagi (deep-fried doughnuts), for a total of $21.87. on average, how much money did koka pay for each doughnut? round to the nearest cent.

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Explain why the factor 1.5 is broke. into two numbers in the model.