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    Question

    Simplify: 3/4 + 0.6 − (1/5 × 1.5)

    A 33/45 Correct Answer Incorrect Answer
    B 21/20 Correct Answer Incorrect Answer
    C 11/17 Correct Answer Incorrect Answer
    D 17/23 Correct Answer Incorrect Answer

    Solution

    0.6 = 3/5 1.5 = 3/2 1/5 × 3/2 = 3/10 Now expression: 3/4 + 3/5 − 3/10 LCM of 4, 5, 10 is 20: 3/4 = 15/20 3/5 = 12/20 3/10 = 6/20 So sum = (15 + 12 − 6)/20 = 21/20

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