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The County Parks and Recreation Board is planning to upgrade the playground equipment in 5 of the 18 county-owned parks in the first phase of

The County Parks and Recreation Board is planning to upgrade the playground equipment in 5 of the 18 county-owned parks in the first phase of making their parks safer for the children who play there. In how many ways can they select 5 of those parks to receive the upgrades in the first phase?

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