The age of two friends is in the ratio 5:6,after how many years will the ages be in the ratio 7:8?

• 5+x/6+x=7/8;
  x=2;
• 13 years agoHelpfull: Yes(4) No(0)
• (5+x)/(6+x)=7/8
  x=12
  ans:12
• 13 years agoHelpfull: Yes(2) No(13)