Suppose that a new employee starts working at $7.32 per hour and receives a 3% raise each year. after time t, in years, his hourly wage is given by the equation y equals $ 7.32 left parenthesis 1.03 right parenthesis superscript t baseline . find the amount of time after which he will be earning $10.00 per hour.

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.