The age of the two friends were in the ration of 6:5.If the sum of their ages is 55.Then after how many years their ratio will become 8:7?

• let age be 6x n 5x;6x+5x=55;x=5;
  6*5/5*5=30/25;and8*5/7*5=40/35;
  on cmpare two 10 year diff cm so ans is 10
  
• 13 years agoHelpfull: Yes(5) No(0)
• 6x+5x=55
  x=11
  30+y/25+y=8/7
  y=10 year
• 13 years agoHelpfull: Yes(1) No(1)