Kritesh wrote:
Joe must travel a total of 225 kilometers to visit his aunt. He rides his bike 5 kilometers to the bus station. He travels by bus to the train station. He then takes the train 10 times the distance he traveled by bus. How many kilometers did Joe travel by bus?
(A) 20
(B) 227/11
(C) 22
(D) 447/10
(E) 227/10
We can let the distance traveled by bus = b, and the distance traveled by train = 10b; thus:
5 + b + 10b = 225
11b = 220
b = 20
Answer: A
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