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The altitude of a triangle is increasing at a rate of 2.5 cm/min ‏‏ while the...

The altitude of a triangle is increasing at a rate of 2.5 cm/min ‏‏ while the area the triangle is increasing at a rate of 2.5 cm² per minute. At what rate is the base of the triangle changing when the altitude is 8.5 cm and the area is 94 cm² ?

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