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Two small water channels merge into a bigger channel. The first One of the small channels...

Two small water channels merge into a bigger channel. The first One of the small channels has a width of 8.2 m, depth of 3.4 m, and current speed of 2.3 m/s. The other channel is 6.8 m wide and 3.2 m deep, and flows at 2.6 m/s. If the bigger channel has width 10.5 m and speed 2.9 m/s, what is its depth?

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