4. A tent has a volume of 26.25 in. Every dimension is multiplied by a scale factor so that the new tent has a volume of 1680 in? What was the scale factor?​

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.