Question

a shopkeeper mixes two qualities of rice. The mixture weighing 100 kg contains 20% of bad quality. How much good quality of rice should be added to the mixture so that the percentage of bad quality of rice is reduced by 10%?​

Answer 1

Answer:

100 kg

Step-by-step explanation:

Weight of mixture = 100 kg

Weight of bad quality of rice = 20 kg

Let x amount of good quality of rice be added

New weight = 100 + x

According to question ,

10 /100 × (100+x) = 20

100 + x = 200

x = 100 kg

Answer 2

Answer:

10kg or 10%

Step-by-step explanation:

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