An evaporator is concentrating solutions coming from two different sources. The solution from the first source containing 10% NaCl and 10% NaOH flows at the rate of 44kg/min. The other solution containing 8% NaCl and 12% NaOH flows at the rate of 90 kg/min. Two streams are fed directly to the evaporator. If 34% of the total water is to be evaporated, how many kg of water evaporated?

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