What is the decimal that is greater than 3/10 and less than 2/5

Which system of linear inequalities is graphed? can somebody pleasssse

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

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.