Can some one help and explain?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

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 is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83