 
<translate> Na farko sami jimlar nisa da bushes bukatar rufe: 16 feet / gefen * 3 bangarorin = 48 feet. Sa'an nan kuma raba jimlar nisa don cika ta hanyar nisa kowane daji ya cika don samun adadin bushes Alice yana buƙatar saya: 48 ƙafa / 4 ƙafa / bush = 12 bushes. Saboda haka amsar karshe ita ce 12. <eng> First find the total distance the bushes need to cover: 16 feet / side * 3 sides = 48 feet. Then divide the total distance to fill by the distance each bush fills to find the number of bushes Alice needs to buy: 48 feet / 4 feet / bush = 12 bushes. So the final answer is 12. 