There are 7 red cards and 13 blue cards in a deck of cards. If Chayse randomly selects a card from the deck, what is the probability that it is a red card?

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.