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15.
twenty pounds of a salt-water solution contains fifteen per cent salt.
how much water must be added to weaken the solution to twelve per cent
Answers: 2
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Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?
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If g(x) is an odd function, which function must be an even function?
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15.
twenty pounds of a salt-water solution contains fifteen per cent salt.
how much wate...
twenty pounds of a salt-water solution contains fifteen per cent salt.
how much wate...
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