1. Harga 4 kg jeruk, 1 kg

Penjelasan dengan langkah-langkah:

4je + 1ja + 2s = 54.000 ….1

1je + 2ja + 2s = 43.000……2

3je+ 1ja + 1s = 37.750……..3

(pers.2 dix 4) (pers.2 dix3)

4je+1ja+2s=54rb 3je+6ja+6s=129rb 4je+8ja+8s=172rb 3je+1ja+1s=37.750

———————-_ ———————- _ -7ja-6s=-118rb 5ja+5s =91.250

-7ja-6s=-118rb(x5) -35ja-30s=-590rb

5ja+5s=91.250(x6) 30ja+30s=547.rb

——————-+

-5ja = -42.500

ja = 8.500

harga 1kg jambu 8.500