Instructions

What will come in place of the question mark (?) in the following questions?

Question 49

82% of 285 + ?% of 456 = 845

Solution

Expression : 82% of 285 + ?% of 456 = 845

=> $$(\frac{82}{100} \times 285) + (\frac{x}{100} \times 456) = 845$$

=> $$233.7 + 4.56x = 845$$

=> $$4.56x = 845 - 233.7 = 611.3$$

=> $$x = \frac{611.3}{4.56} = 134.06$$


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