Assuming that all of them can sail the boat. For them to sail to the island.
First: The two children (Nancy and Peggy) should sail to the island.
Next: One of the children (say Nancy) should bring back the boat.
Next: One of the adults (say Uncle Jim) should sail to the island.
Next: The other child (Peggy) should bring back the boat.
Next: The two children should sail to the island.
Next: One of the children should bring back the boat.
Next: The remaining adult (the mother) should sail to the island.
Next: The other child should bring back the boat.
Finally: The two children should sail to the island.
A^2 + 5^2 = 10^2
a^2 + 25 = 100
a^2 = 100-25
a^2 = 75
a = sqrt(75) = 5sqrt(3)
answer is A
The answer to this question is D
Answer: 32.67
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Step-by-step explanation:
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