πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      If a positive number is decreased by 5, then it becomes

      equal to the 24 times of the reciprocal of the original number. What is the original number?
      A 3 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 5 Correct Answer Incorrect Answer
      D 8 Correct Answer Incorrect Answer

      Solution

      Let the positive number be x. x – 5 = 24/x x2 – 5x – 24 = 0 x2 – 8x + 3x – 24 = 0 x(x – 8) + 3(x – 24) = 0 (x + 3)(x – 8) = 0 x = -3, 8 x = 8

      Practice Next
      ask-question