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    Question

    Evaluate:Β  (1.5 Γ— 8) + (2.5 Γ— 4) βˆ’ (3.2 Γ— 5)

    A 5 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    C 6 Correct Answer Incorrect Answer
    D 7 Correct Answer Incorrect Answer

    Solution

    Convert to fractions: 1.5 = 3/2 2.5 = 5/2 3.2 = 32/10 = 16/5 Now, 1.5 Γ— 8 = (3/2) Γ— 8 = 3 Γ— 4 = 12 2.5 Γ— 4 = (5/2) Γ— 4 = 5 Γ— 2 = 10 3.2 Γ— 5 = (16/5) Γ— 5 = 16 Expression = 12 + 10 βˆ’ 16 = 22 βˆ’ 16 = 6

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