help again bc the other answers were terrible and atp yall are just wasting my points (question c btw)

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

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.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2