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JSCE Mathematics 2023 Theory — Question 1

Question 1 of 17 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2023 Theory paper, with the correct answer and a full explanation.

1(a) If V is directly proportional to W and V = 50 when W = 16, find: (i) the formula connecting V and W

Model answer

V = kW. 50 = 16k, so k = 50/16 = 25/8. Formula: V = 25W/8.

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