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Trigonometry help asap

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.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square