In a 1000m race,A beat B by 100m and B beat C by 200m.What distance A beat C?

• 280m
  a:b=1000:900
  b:c=1000:800
  a:b:c=1000:900:720
  hence a beats c by 280 meters
• 11 years agoHelpfull: Yes(11) No(0)
• a:b = 1000:900
  b:c = 1000:800
  a:c = ab/bc = 1000/900 * 1000/800 = 100/72 = 1000/720
  therefore a beats c by 280m.
• 11 years agoHelpfull: Yes(7) No(0)