SOLUTION: Two boys on bicycles start from the same place and ride in opposite directions. Ones rides twice as far as the other one. In 3 hours they are 27 km apart. What is the rate of speed

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Question 1025324: Two boys on bicycles start from the same place and ride in opposite directions. Ones rides twice as far as the other one. In 3 hours they are 27 km apart. What is the rate of speed for each boy?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2x%2Bx=27
3x=27
x=9
So one traveled 9 km in 3 hours, the other traveled 18 km in 3 hours.
R%2At=D
.
.
.
R%5B1%5D%2A3=9
R%5B1%5D=9%2F3
R%5B1%5D=3kph
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.
.
R%5B2%5D%2A3=18
R%5B2%5D=18%2F3
R%5B2%5D=6kph