Brain Teasers and Puzzles

A box for your workings out:

Hint: # is worth 3.

Answer: 14.

You don't have to find the value of every symbol!

The rows add up to 80.

Therefore the columns must also add up to 80.

24 + ? + 17 + 25 = 80.

? = 14.

@ = 7, & = 4, $ = 8, # = 3, £ = 5.