JSCE Mathematics 2022 Objective — Question 13
Question 13 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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The variable y is inversely proportional to variable x. If y = 0.4 when x = 2.5, find the value of the constant of proportionality.
- A. 4
- B. 3
- C. 2
- D. 1Correct
Explanation
k = xy = 2.5 × 0.4 = 1.
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