Susan answered 60% of the test questions correctly. She answered 21 questions correctly. How many questions were on the test?
A. 12.6
B. 56
C. 35
D. 21

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.