At the same instant, two observers, 3 miles apart, are looking at the same hot air balloon, See the figure to the right. The angle of elevation (from the ground) of the observer closest to the balloon is 78°. The angle of elevation (from the ground) of the person furthest from the balloon is 43°. Find the altitude of the balloon (to the nearest foot) at the instant the two people observe the balloon. 78° 430 3 miles

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