Two jars contain acid at 74% and 44% concentration respectively. If 20 litres are drawn from the 1st jar, how many litres from the 2nd jar should be added so that the concentration of the resultant is 50%
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Answer: 80 L
Step-by-step explanation :let x L be needed from jar 2
74*20 + 44x = 50(20+x)
6x = 20(74-50)
x = 80 L
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