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dhudz23
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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
dhudz23 Group Title
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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Azteck Group TitleBest 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

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

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

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

sauravshakya Group TitleBest 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

Azteck Group TitleBest ResponseYou've already chosen the best response.1
That's the problem.
 one year ago

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

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

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

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

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

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

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

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

Azteck Group TitleBest ResponseYou've already chosen the best response.1
it's not +1 it's 1
 one year ago

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

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

Azteck Group TitleBest ResponseYou've already chosen the best response.1
I previously wrote +1
 one year ago

Azteck Group TitleBest ResponseYou've already chosen the best response.1
instead of 1
 one year ago

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

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

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

Azteck Group TitleBest ResponseYou've already chosen the best response.1
Correct. Well done.
 one year ago
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