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10 Nov 2019
The average height of mountain A is 19,306 âft, and its average height is 8890 ft less than the sum of the average heights of mountains B and C. The average height of mountain C is 272 ft less than fourâ-sevenths of the average height of mountain B. Find the average height of mountain C.
The average height of mountain A is 19,306 âft, and its average height is 8890 ft less than the sum of the average heights of mountains B and C. The average height of mountain C is 272 ft less than fourâ-sevenths of the average height of mountain B. Find the average height of mountain C.
Keith LeannonLv2
1 Jun 2019