Author 
Topic 

ro575
Junior Member
USA
4 Posts 
Posted  09/25/2007 : 09:42:26

6.If A, B, C, and D each stand for a different single digit from 1 to 9, answer each of the following if: A + B = CD a)What is the value of C? Why? b)Can D be 1? Why? c)If D is 7, what values can A be? d)If A is 6 greater than B, then what is the value of D?



Subhotosh Khan
Advanced Member
USA
9116 Posts 
Posted  09/25/2007 : 09:49:15

quote: Originally posted by ro575
6.If A, B, C, and D each stand for a different single digit from 1 to 9, answer each of the following if: A + B = CD a)What is the value of C? Why? b)Can D be 1? Why? c)If D is 7, what values can A be? d)If A is 6 greater than B, then what is the value of D?
According to your definition:
Does "DC" mean "D multiplied by C"? 


skeeter
Advanced Member
USA
5634 Posts 
Posted  09/25/2007 : 13:22:23

quote: Originally posted by ro575
6.If A, B, C, and D each stand for a different single digit from 1 to 9, answer each of the following if: A + B = CD a)What is the value of C? Why? 1 ... you tell me why b)Can D be 1? Why? yes c)If D is 7, what values can A be? 8 or 9 d)If A is 6 greater than B, then what is the value of D? 2



ro575
Junior Member
USA
4 Posts 
Posted  09/25/2007 : 14:50:24

Darn you're fast. 



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