



 
Hi Zena, The second statement says that if you knew how many coins were in the first meter you could easily calculate the number in the second meter. The third statement then says that if you knew how many coins were in the second meter you could easily calculate the number in the third meter. Hence the key to this problem is the number of coins there are in the first meter.
Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 