jwbn yaa beserta cranya....please

caranya,

buncis = 1/4 lingkaran = 25%
kol = 100% - (38% + 12% + 9% + 25%)
= 100% - 84%
= 16%

bila kol = 640 ton

= 16% = 640 ton
= 1% = 640 ÷ 16
= 1% = 40 ton

maka buncis = 40 ton × 25
= 1000 ton (A)

smg membantu^^