rx + x + rx = q, xr^3 + xr^4 + xr^3 = 180-q, r >= 1, q >= 0, x >= 0

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.