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orucovanigar09
@orucovanigar09
August 2022
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Сколько надо добавить воды к 40 л 90%-го спиртового раствора, чтобы он стал 80 %-ым?
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oksi80801
40-100%
x-80%
40 *80/100= 32
32-60 %
x-100
32*100/80=53 1/3
53 1/3 -40 =13 1/3
5 votes
Thanks 9
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Answers & Comments
x-80%
40 *80/100= 32
32-60 %
x-100
32*100/80=53 1/3
53 1/3 -40 =13 1/3