When a chemical called DCA reaches 33 °C, it explodes.
A chemist heats a sample of DCA so that its temperature rises by 2°C every minute, as shown in the table below. After how many minutes will the sample explode?
![When a chemical called DCA reaches 33 C it explodes A chemist heats a sample of DCA so that its temperature rises by 2C every minute as shown in the table below class=](https://us-static.z-dn.net/files/d97/56b9fe7e29f2f78b1fd145ed6dac6cd8.png)