Apublisher claims that the average salary paid at its company is $37,500 but it could differ as much as $4,500. write and solve an absolute value inequality to determine the range of salaries at this company.

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.