issb mathematics MCQ #616

If 4a + 5b = 38 and a = 2, then b equals?

issb mathematics MCQ #616

  1. Question 1

    Q1. If 4a + 5b = 38 and a = 2, then b equals?

    • A) 5
    • B) 6
    • C) 7
    • D) 8

    Answer: 6

    Explanation: Substitute a equals 2 to get 8 plus 5b equals 38 so b is 6.