Perimeter of the back wheel = 9 feet and front wheel=7 feet. On a certain distance front wheel gets 10 revolutions more than the back wheel . What is the distance?
1. 315
2. 215
3. 312
4. 300

• answer is a)315
  
  9n=7(n+10)
  =>n=35 then 9*35=315
• 10 years agoHelpfull: Yes(20) No(0)
• 315
  let x be no of rev.
  then
  9x=7(x+10)
  x=35
  total dist
  9x or 7(x+10)
  puting value of x
  9*35=315
• 10 years agoHelpfull: Yes(2) No(0)
• 1)
  9*x=(10+x)*7
  => x=35
  so 9x=9*35=315
• 10 years agoHelpfull: Yes(1) No(0)