An odd number is a multiple of 3 and a factor of 60. The number is greater than 10 but less than 20. What is the number?
Multiple(s) of 3: 3, 6, 9, 12, 15, 18
Factor(s) of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Common number that is greater than 10 but less than 20 = 15
Answer(s): 15