Janie receives an allowance of $3 per week.
in addition, she can earn $2 for each chore she does.
this week, she wants to earn enough money to buy a cd for $13.
janie can do fractions of chores.

write an inequality to determine the number of chores janie must do this week to earn enough money to buy a cd.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?