Your Status: Logged out Log in

Pay phone problem  

Member rating: 7 out of 10 stars (2 votes) | Words: | Submitted: Thu Jul 11 2002

Page Preview
Preview
Previous 1 of 9 Next

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Jen ball 10 dolbe pay phone problem Introduction A woman only has 10 and 20 pence coins to use in a phone box. I have to investigate the number of different ways she could use 10 and 20 pence coins in a phone box. I am also investigating a man who only has 10 and 50 pence coins. I will start off with the woman. 10 pence call 10=10p =1 way 20 pence call 20=10p+10p 20=20p =2 ways 30 pence call 30=10p+10p+10p 30=20p+10p =3 ways 30=10p+20p 40 pence call 40=10p+10p+10p+10p 40=20p+10p+10p 40=10p+20p+10p =5 ways 40=10p+10p+20p 40=20p+20p 50 pence call 50=10p+10p+10p+10p+10p 50=20p+10p+10p+10p 50=10p+20p+10p+10p 50=10p+10p+20p+10p =8ways 50=10p+10p+10p+20p 50=20p+20p+10p 50=20p+10p+20p 50=10p+20p+20p Pascal's triangle theory This should help me to work out long and write out long equations like the ones I am doing E.g. 50 5 10p =1 1 20p and 3 10p=4 =8 ways 2 20p and 1 10p=3 To get this I used the calculator button which has a big c you put the total number of units at the top then you put the number of 20 pence coins at the...

Get instant access



  • Instant, unlimited access to our documents in full
  • Swap your work for free access, or pay £4.99
  • To see the full version of this document and 146,168 others
Register Now
OR

Receive email updates for this category



  • Simply tell us your email address and receive a weekly Study Help Email for FREE
  • Receive 3 FREE essay views with each email
  • Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk