How much is a 7 days travel card for adults in London and...?

Best to get an Oyster card a href="https://oyster.tfl.gov.uk/oyster/guest/guestProductConfig.do;jsessionid=4556630747D523DDC9CF5934E9462553.node1?method=display" rel="nofollow"https://oyster.tfl.gov.uk/oyster/guest/g…/a