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How many units of a 10% solution are needed to prepare 300 units of a 6% solution?
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Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
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How many units of a 10% solution are needed to prepare 300 units of a 6% solution?...
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