SOLUTION: A biker's speed is 1.5 time faster than a walker's speed. They start moving simultaneously in the same direction from the same point, and after 1.5 hours, the distance between them

Question 916638: A biker's speed is 1.5 time faster than a walker's speed. They start moving simultaneously in the same direction from the same point, and after 1.5 hours, the distance between them is 12.5 miles. What are their speeds?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
A biker's speed is 1.5 time faster than a walker's speed. They start moving simultaneously in the same direction from the same point, and after 1.5 hours, the distance between them is 12.5 miles. What are their speeds?
***
let x=walker's speed
1.5x=biker's speed
1.5x-x=.5x=speed by which distance is formed between biker and walker.
speed=distance/travel time
.5x=12.5/1.5=
x=16 2/3
1.5x=25
walker's speed=16 2/3 mph
biker's speed=25 mph
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