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Nikki and Tatiana rollerblade in opposite directions Tatiana averages 2 MPH faster than Nikki If they began at the same place and ended up 20 Mi apart after 2 hours how fast did each of them travel?
Wiki User
∙ 15y ago
Nikki averages 4 mph
Tatiana averages 6 mpg
Solution:
Nikki's pace=x
Tatiana's pace=x+2
Time=2 hrs
Distance=Velocity * Time, so
Nikki's distance = 2x
Tatiana's distance = 2(x+2) or 2x+4
Distance = 20 mi, so
20 = 2x (Nikki's distance) + 2x + 4 (Tatiana's distance)
20=4x+4 (subtract 4 from each side)
16=4x
x=4
Wiki User
∙ 15y ago
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