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Mathematics, 21.04.2021 02:00 jngonzo1226
A construction worker has two different types of cement mixes. He needs to make
10 tons of concrete that is 40% cement by mixing a 20% cement mixture with a 70% cement
mixture. How much of each mixture does the construction worker need to use?
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Answers: 3
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A construction worker has two different types of cement mixes. He needs to make
10 tons of concre...
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