Mathematics, 04.03.2021 19:00, deeknuk

A sightseeing boat charges $5 for children and $10 for adults. On its first trip of the day, it collected $455 for 71 paying passengers. How many children and how many adults were there?

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A sightseeing boat charges $5 for children and $10 for adults. On its first trip of the day, it coll...