How much is the UK 15 day?

Other people's answers ask a lot of questions, but you don't have to think so much. This question is simple. According to the way you travel, it is enough for you to prepare a little change, which is especially convenient to swipe your card in the UK. /kloc-Don't bring too much cash when traveling in 0/5 days, because it is very dangerous if you use all cash. You keep cash on your stomach every day, fearing being stolen and robbed. It is most important to prepare a VisaMaster card. So how much change is appropriate? For lunch and dinner in Britain, each meal is calculated at one person 15, and subway trips are calculated at 4 pounds a day. 15 days is 5 10, which is the most basic. If you want to travel, you can also buy train tickets in cash. /zd/ym