The krazy kite company is planning to produce kites. the company has rented space for its manufacturing operation at $6,000 per month. each kite requires $37 worth of materials and $28 worth of labor . find the total cost if krazy kites company makes 170 kites.

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.