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Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
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Mathematics, 21.06.2019 19:00
At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?
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