In Levikland, there are coins worth 1, 2, 5, 10, 20, 50 and 100 perplexii. A has twice as much money as B, who has twice as much as C, who has twice as much as D. How can this be, if everybody has two coins?
A=120=100+20
B=60=50+10
C=30=20+10
D=15=10+5
|
Posted by Praneeth
on 2007-08-20 07:59:23 |