SOLUTION: on his way to visit Soren, Peter averaged 7 mi/h on his skateboard and 4 mi/h walking. If Soren lives 6 mi away and the whole trip took 1 hr, how many miles did Peter travel by sk
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Question 498003: on his way to visit Soren, Peter averaged 7 mi/h on his skateboard and 4 mi/h walking. If Soren lives 6 mi away and the whole trip took 1 hr, how many miles did Peter travel by skateboard?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
This example is similar:
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You can jog at a speed of 8 miles per hour, and run at a speed of 12 miles per hour. If you traveled 6 miles in 40 minutes, find the amount of time you jogged as well as the amount of time you ran.
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40 minutes = 2/3 hours
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d = distance jogging
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d/8 + (6-d)/12 = 2/3 hours
times 48
6d + 4(6-d) = 32
2d + 24 = 32
2d = 8
d = 4 miles jogging
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2 miles running
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