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marxusalexander4069
19.10.2020 •
Mathematics
62. Mixing a Solution A chemist wants to make 14 liters of a 40%
acid solution. She has solutions that are 30% acid and 65% acid.
How much of each must she mix?
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Ответ:
D (6,2)
Step-by-step explanation:
2x6+2=14 2x6= 12 12+2= 14
5x6-2=28 5x6=30 30-2=28