2009 · Q90
A person walks a distance in 114 days, when he rests 9 h a day. How long will he take to walk twice the distance if he walks twice as fast and rests twice as long each day as before?
Elementary MathematicsAlgebra
- A57 days
- B228 days
- C285 days
- D324 days
Explanation
1710 h walking at 6 h/day = 285 days.