Acoffee bean processor can dry 4,815 pounds of coffee beans in 3 hours. which unit rate correctly reflects the speed of the processor? a. 1,926 pounds/hour b. 2,408 pounds/hour c. 10.13 pounds/minute d. 26.75 pounds/minute

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.