Hey mate! The minimum everyone should spend on a warm up is 30 minutes. I hope this helps you :)
You could say something along the lines of:
"Hey, Friend, what's so good about weed? Why are you always smoking it?"
If he's smoking it for medical purposes, then just drop it, but if it's illegal and he's doing it to "look cool", then I would further ask questions about it.
The product of 5 and n subtracted from 100
<span>The answer is C. 4,000. That's a lot and many of them will continue smoking. Even though many countries fight against this by forbidding advertising cigarettes and similar products, they still see their friends or parents smoke and take cigarettes from them so it's difficult to stop this completely.</span><span />