две машины едут на встречу друг - другу , одна едит соскоростью 70 км\час, другая 90 км\час. Через какое время они встретятся , если растояние между ними 320 км.

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To resolve a conflict, think about it first. Be calm, confident and relaxed. It is also important to have a sense of humour.
Dont think of everyone as different. As soon as you pick out their differences and begin to criticise them? you are in trouble. Differences can sometimes be a good thing: two people who think exactly the same can,t achieve much. Discussing two contrary ideas can sometimes lead to a better solution.
I think that if all the countries in the world really talk about their problems, they will find answers. We need to get along.