Question
At first, there were 416 more boys than girls at the bird park. By 1 p.m., a total of 250 boys and girls left the bird park. There were as many boys as girls who left the bird park. In the end, there were 5 times as many boys as girls who remained behind. How many boys were at the bird park at first?
4 m

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At first, there were 416 more boys than girls at the bird park. By 1 p.m., a total of 250 boys and girls left the bird park. There were as many boys as girls who left the bird park. In the end, there were 5 times as many boys as girls who remained behind. How many boys were at the bird park at first?