Blueberries

Adéla sells blueberries for 50 CZK/1 l, Zdeněk sells 1 kg of blueberries for 75 CZK. Which of them sells irritants if 1 liter of blueberries weighs 650 g?

Result

x = (Correct answer is: A) Wrong answer

Solution:

m=650 g kg=650/1000  kg=0.65 kg q=1/m=1/0.65=20131.5385 l/kg  c1=50 q=50 1.5385=10001376.9231 Kc/kg c2=75 Kc/kg c1>c2  x=A



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