2.24 Question #21 - Thanks

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 24th, 2015

30 litres of 50% and 30 litres of 70% will make 60% solution

(15+21)/60 =36/60 =60%

Feb 24th, 2015

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Feb 24th, 2015
Mar 27th, 2017
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