Question

Tolong di bantu ya yang no 3-4 ,tanggal 22-11-17 dikumpulin >///

Answer 1

1. ubi = 50 kwintal
    ubi = 20%

rumus : persenan panen x berat panen total = jumlah panen

20/100 x berat panen total = 50
berat panen total               = 50 x 100/20
berat panen total = 250 kwintal

kedelai = 30%
30/100 x 250 = 75 kwintal

jagung = 25%
25/100 x 250 = 62,5 kwintal

padi = ?
⇒ 100% - (kedelai + jagung + ubi)
 = 100% - (30% + 25% + 20%)
 = 100% - 75%
 = 25%

padi = 25%
25/100 x 250 = 62.5 kwintal

2. berat panen total : 1.5 ton

rumus : persenan panen x berat panen total = jumlah panen

apel : 1/4 lingkaran = 25%
25/100 x 1,5 = 0,375 ton

duku : ?
⇒ 100% - (jeruk + jambu + apel)
 = 100% - (30% + 35% + 25%)
 = 100% - 90%
 = 10%

duku : 10%
10/100 x 1,5 = 0.15 ton

duku + apel = 0.15 + 0.375 = 0.525 ton