October 2018 2 25 Report
Tentang substitusi kak.. gak ngerti2 -_-
contoh soal :
ana membeli 3 peniti dan 4 benang dengan harga Rp 2.050,00. sedangkan anti membeli 1 peniti dan 3 benang dengan harga Rp1.350,00. Harga 10 benang dan 5 peniti adalah..
a) Rp11.500,00
b) Rp7.900,00
c) Rp4.750,00
d) Rp3.500,00
adek cma perlu caranya kak.. yang mudah yak.. ;)
dah mau UN nih kakkk.. hehehehe

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