countonme123
Two boys on bicycles start from the same place and ride in opposite directions. One rides twice as fast as the other one. In 3 hours, they are 27 kilometers apart. What is the rate of speed for each boy?
Delete
Share
This Question is Closed
countonme123
Best Response
You've already chosen the best response.
1
help me out guys/girls. :)
ganeshie8
Best Response
You've already chosen the best response.
1
27 = 3(x+2x)
solve for x
countonme123
Best Response
You've already chosen the best response.
1
3?
ganeshie8
Best Response
You've already chosen the best response.
1
yeah so x is first boy speed in the equation.
can u figure out second boys speed ?
countonme123
Best Response
You've already chosen the best response.
1
yes i see twice as much so (2)3 = 6
countonme123
Best Response
You've already chosen the best response.
1
please view my next question as well
countonme123
Best Response
You've already chosen the best response.
1
it is similar but i dont think its the same steps thank you
ganeshie8
Best Response
You've already chosen the best response.
1
ok.. but did you get why we added the speeds in above case ?
countonme123
Best Response
You've already chosen the best response.
1
yes because that was the total distance apart
ganeshie8
Best Response
You've already chosen the best response.
1
cool.. post the next Q :)