📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    Evaluate:  (1.5 × 8) + (2.5 × 4) − (3.2 × 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 × 8 = (3/2) × 8 = 3 × 4 = 12 2.5 × 4 = (5/2) × 4 = 5 × 2 = 10 3.2 × 5 = (16/5) × 5 = 16 Expression = 12 + 10 − 16 = 22 − 16 = 6

    Practice Next

    Relevant for Exams:

    ask-question