Question

12.2 kg of sugar and 3 kg of salt is added to 20 kg of a mixture (sugar and salt) of a 30% salt. the percentage of sugar is now​

Answer 1

Answer:

Given : 2% salt must be added to 30 kg solution

Then amount of salt in 30 kg solution =

100

2

×30=0.6 kg

Let x kg of pure salt added

∴

30+x

0.6+x

=

100

10

⇒60+100x=300+10x

⇒100x−10x=300−60

⇒90x=240

⇒x=

90

240

=

3

8

Then

3

8

=2

3

2

kg salt added in solution

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Answer 2

Answer:

70% of sugar is now in 20 kg of mixture