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Two cyclist A and B traveled the same distance of 120 kilometers. A traveled 4 kilometers per hour faster than B and covered the distance in one hour less than B. Find the rate of each.
 one year ago
 one year ago
Two cyclist A and B traveled the same distance of 120 kilometers. A traveled 4 kilometers per hour faster than B and covered the distance in one hour less than B. Find the rate of each.
 one year ago
 one year ago

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AzteckBest ResponseYou've already chosen the best response.1
(x+4)\[\frac{ 120 }{ x+4 }=\frac{ 120 }{ x }+1\] x is the rate at which B is travelling (ie. xkm/h)
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
There SOLVE FOR x
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
Wait it's incorrect for some reason. I made a mistake.
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
Tried solving it, but nothing came out.
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
120/(x+4) =120/x +1 120/(x+4) =(120+x)/x 120x =(120+x)(x+4) 120x =120x +480 +x^2 +4x x^2 +4x +480 =0
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
which has NO real SOLUTION
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
It is should be 120/(x+4) =120/x 1
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
Beacuse A takes 1 hour less than B
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
dw:1358852927217:dw
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.1
U need to solve it
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
Yeah. A bit of confusion but we got there.
 one year ago

higiraffeBest ResponseYou've already chosen the best response.0
x is a imaginary number.
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
No. Read suarav's post.
 one year ago

higiraffeBest ResponseYou've already chosen the best response.0
2 + 21.82i or 221.82i
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
\[\frac{ 120 }{ x+4 }=\frac{ 120 }{ x }1\]
 one year ago

higiraffeBest ResponseYou've already chosen the best response.0
oh really sorry, I have a mistake. x=24.
 one year ago

AzteckBest ResponseYou've already chosen the best response.1
That's incorrect still. Try again.
 one year ago

higiraffeBest ResponseYou've already chosen the best response.0
really?? . so, x=20, right??? Don't tell me it's still incorect ..:(
 one year ago
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