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Question Number 122954 by mr W last updated on 21/Nov/20

Commented by Dwaipayan Shikari last updated on 21/Nov/20

Infinitely  many answers sir!  If they are in a relation  C=1+(n−1)  then 12 will cost 12 $   (for the people who.....)  If they are in a relation  n+(n−1)(n−2)(n−3)...(n−11)  If n=12  then price will be 12+11! $    :)  ......

Infinitelymanyanswerssir!IftheyareinarelationC=1+(n1)then12willcost12$(forthepeoplewho.....)Iftheyareinarelationn+(n1)(n2)(n3)...(n11)Ifn=12thenpricewillbe12+11!$:)......

Commented by prakash jain last updated on 22/Nov/20

Information about 2 and 11 is  redundant.  12= 12 times ONE  So 12 will cost $12.

Informationabout2and11isredundant.12=12timesONESo12willcost$12.

Commented by mr W last updated on 22/Nov/20

an other possibility:  say a letter O costs o $, a letter N  costs n $, etc.  o+n+e=1   ...(i)  t+w+o=2   ...(ii)  3e+l+v+n=11   ...(iii)  (iii)+(ii)−(i):  2e+l+v+t+w=12   ...(iv)    TWELVE costs 2e+t+w+l+v, that  is 12 $ from (iv).

anotherpossibility:sayaletterOcostso$,aletterNcostsn$,etc.o+n+e=1...(i)t+w+o=2...(ii)3e+l+v+n=11...(iii)(iii)+(ii)(i):2e+l+v+t+w=12...(iv)TWELVEcosts2e+t+w+l+v,thatis12$from(iv).

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