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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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When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?
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Find the area of the following rectangle (3x-7) (4x-1)...
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