Answer:
Hello,
Step-by-step explanation:
Let's assume A,B,C the 3 explorers and X,Y,Z the 3 guides.
Only A and X can operate the boat.
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I hope you will understand the travels
4. is A 15
5. is C 12
6. is B 4, 8, 12, 16
hope this helps :)
26 units is the answers for this questions. To find the perimeter, put a slash in each square. The only squares that will get 2 slashes is the corners