In a museum gift shop, a miniature dinosaur, the Acrocanthosaurus, is 22.8 centimeters long and 15.9 centimeters tall. The package says that the
actual dinosaur was approximately 9 meters long. How tall was the
dinosaur?
A. 2.10 meters
B. 6.28 meters
C. 12.91 meters
D. 13.80 meters
A
B

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.