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.
maximum (225 + (x*4)) * (1 + ((20 - x) * 0.02)) for 0 <= x <= 20
maximum (225 + (x*4)) * (1 + ((20 - x) * 0.02)) for 0 <= x <= 20
Natural Language
Math Input
Extended Keyboard