Current Attempt in Progress

Ten cavemen with a remaining average life expectancy of $10$ years use a path from their cave to a spring some distance away. The path

is not easily traveled due to $100$ large stones that could be removed. The annual benefit to each individual if the stones were removed

is $$9\mathrm{.}25.$ Each stone can be removed at a cost of $$1\mathrm{.}75.$ The interest rate is $2\%.$

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Parta

Partb

x Your answer is incorrect.

Compute the benefit$/$cost ratio for the individual if the task was undertaken collectively, with each individual removing $10$ stones.

Carry all interim calculations to $5$ decimal places and then round your final answer to $2$ decimal places. The tolerance is $+-0\mathrm{.}02.$

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Assistance Used

Attempts: $3$ of $3$ used

Partc

What maximum amount may be charged by a manager who organizes the group effort if the minimum acceptable benefit$/$cost

ratio is $2?$ $

Carry all interim calculations to $5$ decimal places and then round your final answer to the nearest dollar. The tolerance is $+-5.$