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Verified answer
Kategori : Penawaran dan PermintaanKelas : X
Kata Kunci : Permintaan
Pembahasan :
Q Pertama→ P = 1000
Q = 4P+7500
Q = 4(1000)+7500
Q = 4000+7500
Q = 11500
Q kedua → P = 1500
Q = 4P + 7500
Q = 4(1500)+7500
Q = 6000+7500
Q = 13500
∆ Jumlah barang = Q kedua - Q pertama
→ 13500-11500
→ 2000 barang.