Tiffany and Kate started a competition to see who can collect the most number of stamps. At the end of one month, the ratio of the stamps Tiffany had to those that Kate had was 56:61. Kate then collected 240 stamps in one day and the ratio then became 56:69. How many stamps does Tiffany now have?

Daniel bought a total of 19 hens and ducks. He got a discount of $0.40 for each hen and a discount of $ 1.10 for each duck. He saved $13.20 in total. How many hens did he buy?

Janelle started a reading club at her school. The first week, she recruited two members for the club. From the second week, each new member recruited in the previous week recruited two new members each. How many members are there in the club after 5 weeks including Janelle?