Lauren builds a sandbox shaped like an octagon. Each side of the sandbox is the same length.
The perimeter of the sandbox is 18.8 feet.

An octagon with 8 equal sides, all with unknown length, in feet.

Part A
How long is each side of the sandbox? Enter your answer in the box.

feet ( Input Answer )

Part B
The total cost of sand to fill the sandbox is $59.48. Lauren and 3 friends divide the cost equally.
How much does each person pay? Enter your answer in the box.

$ ( Amount??? )