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.
d = 3.5v; d=3w; w= v+20; a = 2d / (3.5+3)
d = 3.5v; d=3w; w= v+20; a = 2d / (3.5+3)
Natural Language
Math Input
Extended Keyboard