Mrs Bloggs buys a packet of biscuits for £$1.69$, a $2$-pint bottle of milk for $82$ pence and a box of $80$ teabags for £$2.99$. She pays with a £$20$ note. How much change does she get? 
Overseas Competition->Knowledge Point->Word Problem Modules->Applying Addition and Subtraction->Simple Addition and Subtraction