Mike has a large tropical fish collection. he gives 2/3 of his fish to a local high school. then gives 2/5 of the remaining fish to an elementary school. in the end, he has 30 fish left. how mike has a large tropical fish collection. he gives 2/3 of his fish to a local high school. then gives 2/5 of the remaining fish to an elementary school. in the end, he has 30 fish left. how many fish did mike have at first.