 
 <translate> First find the total number of braids among all the dancers: 8 dancers * 5 braids / dancer = 40 braids. Then multiply by that the time in seconds per braid to find the total time in seconds: 40 braids * 30 seconds / braid = 1200 seconds. Then divide the time in seconds by the number of seconds per minute to find the time in minutes: 1200 seconds / 60 seconds / minute = 20 minutes.
The answer: 20. <ibo> Buru ụzọ chọpụta ngụkọta ọnụ ọgụgụ braids n'etiti ndị niile na-agba egwú: 8 ndị na-agba egwú * 5 braids / onye na-agba egwú = 40 braids. Mgbe ahụ, mụbaa oge na sekọnd kwa braid iji chọta oge zuru ezu na sekọnd: 40 braids * 30 sekọnd / braid = 1200 sekọnd. Mgbe ahụ, kewaa oge n'ime sekọnd site na ọnụ ọgụgụ nke sekọnd kwa nkeji iji chọta oge na nkeji: 1200 sekọnd / 60 sekọnd / nkeji = 20 nkeji. Azịza ya bụ: 20. 