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59

Step-by-step Answer
PAGE: 93SET: ExercisesPROBLEM: 59
Please look in your text book for this problem Statement

Let x be the distance between surface and bottom of mine in kilometers.

The temperature of the surface is and the temperature of the air at the bottom is .

The temperature increasing per one kilometer is .

The temperature increasing per one kilometer is .

Therefore, the above situation represent the equation is .

Solve the equation for x.

Subtract 18 from each side.

Divide each side by 10.

Cancel common terms.

.

The distance between surface and bottom of mine is 2 kilometers.



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