Can someone help me explain this . plz help me through this question

What is the measure of angle afe? 79 81 91 99

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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.