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.
$0.58 + $0.58
$1.16
total cost of all 3 will be $1.16 since he only got two at the sale price
Answer:
They are quadrilaterals that have opposite sides equal in length.
