Coursework.Info - Inspiration in an Instant

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

EMMA's Dilemma We are investigating the number of different arrangements of letters. Firstly we arrange EMMA's Name. 1)EAMM 7)MAEM 2)EMAM 8)MAME 3)MEMA 9)AMME 4)MEAM 10)AEMM 5)MMEA 11)AMEM 6)MMAE 12)EMMA Secondly we arrange lucy's name. 1)Lucy 12)Cyul 22)Yulc 2)Luyc 13)Culy 23)Ycul 4)Lycu 14)Culy 24)Yluc 5)Lcuy 15)Cylu 25)Ucyl 6)Lcyu 16)Clyu 7)Ulcy 17)Cuyl 8)Ucly 18)Yluc 9)Uycl 19)Yucl 10)Ulyc 20)Yclu 11)Uylc 21)Ylcu From these 2 investigation I worked out a method: Step1: 1234---Do the last two number first then you get 1243. 1243---Do the last three numbers and try the possibility. 1423. 1432. 1342. 1324, because the number 2 has been the first number of last three numbers, so we don't do it again. Step2: we have list all arrangements of 1 go front, so we do 2 go front. 2134 and we do same thing to it, it will like this: 2134---2143, 2143---2431,2413,2314,2341 Step3: We have finished 2 go first, then let's do 3 go ahead. 3124---3142, 3142---3241,3214,3412,3421 Step4: We have finished 3 go ahead, then try 4 4123---4132, 4132---4231,4213,4312,4321 We have list all arrangement of...

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 147,038 others

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