Refer to figure.
In order to find take-off distance from the graph:

1. On the left side of the graph, find the OAT of 20°C.
2. From the OAT of 20°C, draw a line upwards until the point between the Pressure Altitude line of 4000 ft and the Pressure Altitude line of 3500 ft.
3. From that point, draw a line towards the right until the Aeroplane mass line of 750 kg (reference line) and then draw a line parallel to the mass lines until an aircraft mass of 705 kg.
4. From that new point draw a line until the 0 wind line (reference line) and then draw a line parallel to the tailwind lines until the wind of 5 kt.
5. From that point draw a line towards the right and read a take-off distance of 880 m.