The population of a certain inner city area is estimated to be declining according to the model P(t) = 332,000e^-0.022t where t is the number of years from the present What does this model predict the population will be in 12 years? Round to the nearest person.

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.