Toán thực tế (036)

Cuối tuần, gia đình bạn Lan đón xe Taxi 7 chỗ về
thăm bên ngoại. Khi xuống xe, đồng hồ chỉ số tiền phải trả là 87000 đồng. Bạn
Lan hỏi bác tài cách tính tiền thì biết rằng bước lên xe phải trả 12000 đồng
cho 600 mét đầu tiên và sau đó thì cứ mỗi 180 mét đồng hồ nhảy thêm 3000 đồng.
Hãy tính xem quãng đường từ bên nhà đến bên ngoại của bạn Lan là bao nhiêu km?

Xem đáp án 

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