Question

Tolong ya bantu no 1-4 pake cara(poin 25)

Answer 1

Jumlah beras = 1 kuintal + 2 kuintal = 3 kuintal = 300kg
1 kuintal = 100 kg
100 × 3000
= 300.000
2 kuintal = 200 kg
200 × 2.800
= 560.000
harga pembelian = 560.000 + 300.000
= 860.000

harga penjualan = 2.800 × 300
= 840.000

kerugian = 860.000 - 840.000
= 20.000
persentase = 20.000/860.000 × 100
= 2,325%

2. 15/100 × 1.200.000
= 180.000

8/12 × 180.000
= 120.000

3. A (1,2) , B (3,-2) , C (-4,-3)
= A' (1,-2) , B' (-3,-2) , C' (-4,3)
= A" (-1,-2), B" (3,-2), C" (4,3)

4. F(2,2) G(4,2) H(4,1) I(2,-1)
= F' (2+(-2),2+3) = F' (0,5)
= G' (4+(-2), 2+3) = G' (2,5)
= H' (4+(-2),1+3) = H' (2,4)
= I' ( 2+(-2),-1+3) = I' (0,2)