The graph shows the temperature of coffee while it cools.
At what time was the temperature 40°C?
Give your answer to the nearest minute.
![The graph shows the temperature of coffee while it cools At what time was the temperature 40C Give your answer to the nearest minute class=](https://us-static.z-dn.net/files/de8/e7be38aa961c183ac3eb4ac9881a78b0.png)