 
<translate> Nke mbụ, chọpụta ngụkọta nke fatịlaịza ịnyịnya na-emepụta kwa ụbọchị: 5 galọn / ịnyịnya * 80 ịnyịnya = 400 galọn. Mgbe ahụ, mụbaa ọnụ ọgụgụ nke acres nke ala a na-akọ ugbo site n'ọnụ ọgụgụ nke galọn kwa acre iji chọta ngụkọta nke fatịlaịza a chọrọ: 400 galọn / acre * 20 acres = 8000 galọn. Mgbe ahụ, kewaa ngụkọta nke fatịlaịza dị mkpa site n'ọtụtụ fatịlaịza a na-emepụta kwa ụbọchị iji chọpụta ụbọchị ole ọ dị mkpa iji chịkọta fatịlaịza: 8000 galọn / 400 galọn / ụbọchị = ụbọchị 20. Mgbe ahụ, kewaa ngụkọta nke acres Janet kwesịrị ikpuchi site n'ọnụ ọgụgụ acres ọ pụrụ ikpuchi kwa ụbọchị iji chọpụta ụbọchị ole ọ na-ewe ya iji kpuchie ha nile: 20 acres / 4 acres / ụbọchị = 5 ụbọchị. Mgbe ahụ, gbakwunye oge e ji nakọta fatịlaịza ahụ na oge e ji gbasaa ya iji nweta ngụkọta oge: ụbọchị 5 + ụbọchị 20 = ụbọchị 25. Azịza ya bụ 25. <eng> First find the total amount of fertilizer the horses produce per day: 5 gallons / horse * 80 horses = 400 gallons. Then multiply the number of acres of farmland by the number of gallons per acre to find the total amount of fertilizer needed: 400 gallons / acre * 20 acres = 8000 gallons. Then divide the total amount of fertilizer needed by the amount of fertilizer produced per day to find the number of days needed to collect fertilizer: 8000 gallons / 400 gallons / day = 20 days. Then divide the total number of acres Janet needs to cover by the number of acres she can cover per day to find how many days it takes her to cover them all: 20 acres / 4 acres / day = 5 days. Then add the time to collect the fertilizer to the time to spread it to find the total time: 5 days + 20 days = 25 days. Final answer: 25. 