Looking up, Boris sees two hot air balloons in the sky as shown. He determines that the lower hot air balloon is 515 meters away, at an angle of 15 from the vertical. The higher hot air balloon is 840 meters away, at an angle of 22 from the vertical. How much higher is the balloon on the right than the balloon on the left? Do not round any intermediate computations. Round your answer to the nearest tenth. Note that the figure below is not drawn to scale. 515 meters 156 22 840 meters meters 6