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Answer»

Solution

Expression : 35% of 160 + ?% of 180 = 50% of 310

=> $\frac{35}{100} * 160 + \frac{?}{100} * 180 = \frac{50}{100} * 310$

=> $(160 * 35) + (180 * ?) = (310 * 50)$

=> $180 * ? = 15500 - 5600 = 9900$

=> $? = \frac{9900}{180} = 55$



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