What was the question for this implicit rationale, and corresponding answer?
First find the total number of additional objects she learns to juggle: 2 objects / week * 5 weeks = 10 objects. Then add the initial number of objects she could juggle to find the total: 10 objects + 3 objects = 13 objects.
 The answer: 13
The question: Jeanette is practicing her juggling. Each week she can juggle 2 more objects than the week before. If she starts out juggling 3 objects and practices for 5 weeks, how many objects can she juggle?