Fibonacci study guide 2 answers:

From the book:

13. 50=34+16=34+13+3. Take 3 on your first move.

14. 100=89+11=89+8+3. Take 3 on your first move

15. 500=377+123=377+89+34. Take 34 on your first move

16. 15-2-4=9

9=8+1 take 1 on your next move

17. 50-3-5-8-10=24

24=21+3 take 3 on your next move

18. 90-1-2-3-6-2-1-4-1-2=66

66=55+11=55+8+3 take 3 on your next move

The brick wall problem: