<prompt> Dzokorora ndima iri pasi apa wozopindura mubvunzo unotevera mumutauro mumwe chetewo: Passage: Paiva nemhuri 15,638 idzo 43.00 dzaiva nevana vari pasi pemakore 18 vaigara navo, 59.30 dzaiva vakaroorana vaigara pamwe chete, 8.40 dzaiva nemudzimai wemumba asina murume aripo, uye 26.50 dzaive dzisiri mhuri. 20.90 yemhuri dzose dzaiva nevanhu uye 4.80 dzaiva nemumwe munhu aigara oga aiva nemakore 65 kana kupfuura. Avhareji yehukuru hwemhuri yaiva 2.85 uye avhareji yehukuru hwemhuri yaiva 3.33. Mubvunzo: Ndeipi chikamu chevanhu vanogara vari voga?  <response>: 20.9 