15.98% of 2199.9 = √? + 17.02% of 1799.97
15.98% of 2199.9 = √? + 17.02% of 1799.97 => 16% of 2200 = √? + 17% of 1800 => 352 = √? + 306 => √? = 46 => ? = 2116
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