Three friends want to go camping and they pack enough water to last for 6 days. Just as they are about to leave they are joined by 3 more people. How long will their water last now?
"\\frac{W}{3}=6 \\to W=6*3=18."
"\\frac{W}{3+3}=\\frac{18}{6}=3."
The water lasts for 3 days.
Comments
Leave a comment