Answer:
£4.25 each or £8.50 between them
Explanation:
£20 each to start with
-£3 for the entrace fee = £17 each
-£7.50 for laser tag = £9.50 each
-£2.25 for mini-bowling = £7.25 each
4 video games will cost 0.75 x 4 = £3
-£3 for video games = £4.25 left each
By the end, each one will have £4.25, or £8.50 between them, wasn't sure what the question was specifying.