SOLUTION: The Q44 travels from the Jamaica stop to the Parkchester stop at 20 miles per hour if there are no traffic jams. However, with traffic jams, it travels
10 miles per hour and take
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10 miles per hour and take
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Question 979658: The Q44 travels from the Jamaica stop to the Parkchester stop at 20 miles per hour if there are no traffic jams. However, with traffic jams, it travels
10 miles per hour and takes an hour longer to get from Jamaica to Parkchester. How far is the Jamaica stop from the Parkchester stop?
Please explain with detail! Shanks and don't forget to label your work! Found 2 solutions by josgarithmetic, MathTherapy:Answer by josgarithmetic(39617) (Show Source):
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The Q44 travels from the Jamaica stop to the Parkchester stop at 20 miles per hour if there are no traffic jams. However, with traffic jams, it travels
10 miles per hour and takes an hour longer to get from Jamaica to Parkchester. How far is the Jamaica stop from the Parkchester stop?
Please explain with detail! Shanks and don't forget to label your work!
Let distance from Jamaica to Parkchester be D
At 20 mph, its time to Parkchester =
At 10 mph, its time to Parkchester =
With difference in times being 1 hour, we get:
D + 20 = 2D ------- Multiplying by LCD, 20
2D - D = 20
D, or distance = miles
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