A company plans to spend exactly $97,000 annually for advertising. A 1-minute radio commercial costs $300. A 1-minute television commercial costs $4,000. If the company has a total of 52 1-minute televisions and radio commercials, how many 1-minutes television commercials can the company have?

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.