Llamacornbabe
21.07.2019 •
Mathematics
If solution a contains 83% nitrogen and solution b contains 20% nitrogen. how much solution should be mixed in order to create 15 cups of a solution containing 62% nitrogen
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Ответ:
$21
Step-by-step explanation:
$4.50x3=$13.5
$1.25x6=$7.5
$13.5+$7.5=$21