On a windy day, out of every 3 sand dunes formed, only 1 remains. Out of 5 blown

On a windy day, out of every 3 sand dunes formed, only 1 remains. Out of 5 blown-out sand-dunes, 1 has treasure and only 2 out of 5 sand dunes formed have lucky coupons. Find the probability that the blown-out sand dune will contain both the things.

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