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Verified answer
PenyelesaianHarga 1 buku tulis
= Rp 3.000,00 ÷ 2
= Rp 1.500,00
Harga 3 buku tulis
= Rp 1.500,00 × 3
= Rp 4.500,00
Jadi uang yg harus dibayarkan Lisa adalah Rp 4.500,00
Good Luck ^^
b = 3000/2 = 1500
3b = 3 x 1500
3b = 4500
Lisa harus membayar sejumlah Rp 4.500,00