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Algebra Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

Lewis and Geraint left Acaster to travel to Beetown at the same time. Lewis stopped for an hour in Beetown and then drove back towards Acaster. He drove at a constant 70 km/h. He met Geraint, who was cycling at a constant 30 km/h, 105 km from Beetown. How far is it from Acaster to Beetown?

(A) $315\text{ km}$ (B) $300\text{ km}$ (C) $250\text{ km}$ (D) $210\text{ km}$ (E) $180\text{ km}$

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