Answer:
a
Step-by-satep explanation:
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.

I hope you will understand the travels
A ray is a defined term because it has no width or depth is described using an undefined term has an informal definition travels forever in one way
Word form: Six over nine or two over three
Simpliest form: 2/3