SOLUTION: Joshua had a flat tire after biking 2/3 of his way home. He walked the rest of the way home. If his walking time was three times his biking time, how many times faster is his bikin

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Question 1144215: Joshua had a flat tire after biking 2/3 of his way home. He walked the rest of the way home. If his walking time was three times his biking time, how many times faster is his biking speed than his walking speed?
A)-2
B)-15
C)-3
D)-6
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
If total distance is  3d,

             SPEED         TIME         DISTANCE

Biking        2d/x            x             2d

Walking       d/(3x)         3x             d

how many times faster is his biking speed than his walking speed?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
6 times as fast is 5 times faster.
================
Is 1 time faster, a 100% increase in speed, the same speed?
Or 2x as fast?
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