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.
{2.5+b+c+d= £7.11, 2.5*bcd= £7.11}
{2.5+b+c+d= £7.11, 2.5*bcd= £7.11}
Natural Language
Math Input
Extended Keyboard
