Practice · Business · Medium
Return a single row with a column named total_bn holding the summed net worth of all Forbes-listed businessmen, rounded to one decimal place.
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businessmen(net_worth_usd_bn, forbes_listed). Use SUM(...) with ROUND(..., 1) and filter forbes_listed = 1.
SELECT ROUND(SUM(net_worth_usd_bn), 1) AS total_bn
FROM businessmen
WHERE forbes_listed = 1;The reference solution is checked automatically when you run your query on the practice page — results are compared row by row.
Six Egyptians sit on the Forbes real-time billionaires list, together worth roughly $24bn — a striking concentration in a handful of family holdings. (Forbes, 2026)