Tolong jawab nomor 2-3

2. Iwan : Nanang = 4 : 5
Iwan + Nanang = 4 + 5
270 = 9

Iwan
= 4/9 × 270 = 120 m²

Nanang
= 5/9 × 270 = 150 m²

3.

a.
1 hari
= 1/6 × 3000 = 500
1 minggu
= 6 × 500 = Rp 3.000,00
Catatan : hari minggu sekolah LIBUR

b.
Beras : tepung = 9 : 7
Tepung
= 7/9 × 486
= 378 kg