Algebramedium · Past Paper
If x/2 = y/3 = z/4 and x + y + z = 18, find z.
A8
B4
C6
D10
✓ Correct Answer: A — 8
Let x=2k, y=3k, z=4k. 2k+3k+4k=18 -> 9k=18 -> k=2. z = 4(2) = 8.
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✓ Correct Answer: A — 8
Let x=2k, y=3k, z=4k. 2k+3k+4k=18 -> 9k=18 -> k=2. z = 4(2) = 8.
Share this question