The wheat sold by a grocer contained 10% low quality wheat. What quantity of good quality wheat should be added to 150 kgs of wheat so that the percentage of low quality wheat becomes 5%
Let $$x$$ kg of good quality wheat should be added.
Acc to ques,
=> $$\frac{10}{100} \times x = \frac{5}{100} \times (x + 150)$$
=> $$10x = 5x + 750$$
=> $$x = \frac{750}{5} = 150$$ kg
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