Milk mixing

You have 12 liters of milk with a temperature of 20°C. How much milk at 80°C do you have to add to have milk at 30°C?

Correct answer:

x =  2.4 l

Step-by-step explanation:

12 20+x 80=30 (12+x)  50x=120  x=512=2.4=2.4 l



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