Read the text. Add sentences a-e to the paragraphs. There is one sentence that do not need. Then listen and check. a) Maybe he'll change the number to 12%!
b) So a building whose top floor is 50 may only have 36 floors.
c) In 2016 a lot of children will be eight years old in China!
d) Seven is a lucky number in most cultures. e) Eight is also a popular number in phone numbers, addresses and PIN numbers.