Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
{ s=2/3*t; d=2/3*m; t=20/19*m; t+s=3 }
{ s=2/3*t; d=2/3*m; t=20/19*m; t+s=3 }
Natural Language
Math Input
Extended Keyboard
