In the following situations, state what the constant of proportionally represents. 1, The time taken for a journey is inversely proportional to the speed travelled?
2, The amount of VAT paid on an item varies directly as the cost of the item?
3,The length of a rectangle is indirectly proportional to its width?
4, The length of an original photograph is directly proportional to the length of an enlargement of the photograph?
5, The height of a cylinder is inversely proportional to the area of the base of the cylinder?