Temperature 3104

The tank has water with a volume of 300 liters and a temperature of 10 ° C. Add water at a temperature of 90 ° C until a temperature of 30 ° C is reached. How many liters of warmer water do I need to add?

Correct answer:

x =  100

Step-by-step explanation:


300·10+x·90=(300+x)·30

60x = 6000


x = 6000/60 = 100

x = 100

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