How much salt must be added to 60 kg of a 20% solution of salt to increase it to a 40%solution of salt
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Answered by
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for short trick:required salt=60*(40-20)/(100-40)=20kg.
for explanation:in 60kg, 20% is salt i.e. 60*20/100=12kg
for being 40% the ratio would be (12+x)/(60+x)=40/100 where x is the required amount on solving the aove equation we get x=20kg.
for explanation:in 60kg, 20% is salt i.e. 60*20/100=12kg
for being 40% the ratio would be (12+x)/(60+x)=40/100 where x is the required amount on solving the aove equation we get x=20kg.
Shrutimusic123:
It's wrong the answer is 12 kg
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21
Answer is in the attachment
Hope it helps!!
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