a is faster than b.they walk a distance of 24km.theis sum of speed is 7km/hr and the sum of their time i4.whaat is the speed of a??

• let,speed of a is x and speed of b is (7-x).
  then the equation become (24/x)+24/(7-x)=14.because the total distance is 24 km and total time taken by them is 14.then solving x we get x=4,3. as the speed of a is faster than b hence the speed of a is 4km/hr.
• 11 years agoHelpfull: Yes(32) No(1)
• let ,speed of a=x and b=7-x
  total distance=24 km
  total time= 14
  so, 24/x+24/7-x =14
  after solving ,x=4,3
  since a is faster than b
  so speed of a=4km/hr
• 11 years agoHelpfull: Yes(2) No(1)
• 4 will be the speed of a...
• 11 years agoHelpfull: Yes(1) No(8)
• time is not cleared
  if time =14 h
  then solve this eqn
  (24/x)+(24/(7-x))=14
  x=4 and 3
  a=4 ,since a>b
  
• 11 years agoHelpfull: Yes(1) No(1)
• 24/x + 24/(7-x) = 14,
  
  solving we get x we get x= 3,4.
  Since a is faster so a= 4 km/hr.
  b = 3 km/hr.
• 11 years agoHelpfull: Yes(1) No(1)