Freezer 70664

There are a total of 38 ducks in the freezer. Of these, 24 weigh more than 1.2, and 22 ducks weigh less than 1.5. How many ducks weigh more than 1.2 and less than 1.5 kg?

Correct answer:

x =  8

Step-by-step explanation:

n=38 M12=24 m15=22  m12=nM12=3824=14 M15=nm15=3822=16  n= m12+x+M15 x=nm12M15=381416=8

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