A traffic helicopter descends 154 meters to be 313 meters above the ground. What was the original height of the helicopter? Let h be the original height of the helicopter. What is a subtraction equation that models the problem?

If the helicopter descends 154 meters, this means the helicopters height drops 154 meters from its original height. If the helicopters current elevation is 313 meters, to find its original height, we can inverse the equation. So instead of subtraction, use addition. 154+313=467 meters is the original elevation.

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A traffic helicopter descends 154 meters to be 313 meters above the ground. What was the original height of the​ helicopter? Let h be the original height of the helicopter. What is a subtraction equation that models the​ problem?

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A traffic helicopter descends 154 meters to be 313 meters above the ground. What was the original height of the helicopter? Let h be the original height of the helicopter. What is a subtraction equation that models the problem?