Sets
Q: If n(A ∪ B ∪ C) = 50, and the Venn diagram shows A only=10, B only=x, C only=4, A∩B only=3, B∩C only=3x, A∩C only=5, and A∩B∩C=3, what is the value of x?
Did You Know?
A pure compound contains only one type of molecule with a fixed composition. Ethanol (C₂H₅OH) is a pure compound. Petrol is a mixture of hydrocarbons, steel is an alloy (mixture), and tap water contains dissolved impurities.
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