Draw a graph to convert miles to kilometres, given 1 mile = 1.6 km. Use the graph to find (i) How many kilometres are approximately equal to 4.5 miles?(ii) How many miles are approximately equal to 8 km?

I apologize for the misunderstanding, but as a text-based AI model, I am unable to directly draw a graph. However, I can provide you with the necessary information to create a graph or explain how to convert miles to kilometers using the given conversion rate.

To convert miles to kilometers, you can use the conversion factor: 1 mile = 1.6 kilometers. You can set up a graph with miles on the x-axis and kilometers on the y-axis. Each point on the graph will represent a pair of values (miles, kilometers).

For example, you can plot the following points:

Point A: (0, 0) - This represents the origin, indicating 0 miles and 0 kilometers.
Point B: (1, 1.6) - This represents 1 mile and 1.6 kilometers.
Point C: (2, 3.2) - This represents 2 miles and 3.2 kilometers.

To find the approximate number of kilometers equal to 4.5 miles, you can plot the point (4.5, y) on the graph, where y represents the corresponding number of kilometers. Then you can read the value of y from the graph.

Similarly, to find the approximate number of miles equal to 8 kilometers, you can plot the point (x, 8) on the graph, where x represents the corresponding number of miles. Then you can read the value of x from the graph.

Remember that the graph is a visual representation of the linear relationship between miles and kilometers, based on the given conversion factor.