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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.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities