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If you were to mix 3 liters of 20 degrees celsius water with 4 liters of 30 degrees water at 7 liters of water what temperature

If you were to mix 3 liters of 20 degrees celsius water with 4 liters of 30 degrees water at 7 liters of water what temperature
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If you were to mix 3 liters of 20 degrees celsius water with 4 liters of 30 degrees water at 7 liters of water what temperature

User Ioan Moldovan
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lets say final temperature is @ celsius
3c(@-20)= 4c(30-@)
7@=180
@=180/7
User Zilberman Rafael
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