SOLUTION: given that A,B,C and D are whole numbers such that A*B=8, B*C=28, C*D=63 and B*D=36, find the values of A,B,C and D.

Algebra ->  Sequences-and-series -> SOLUTION: given that A,B,C and D are whole numbers such that A*B=8, B*C=28, C*D=63 and B*D=36, find the values of A,B,C and D.      Log On


   

Question 770673: given that A,B,C and D are whole numbers such that A*B=8, B*C=28, C*D=63 and B*D=36, find the values of A,B,C and D.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
A*B=8, B*C=28, C*D=63 and B*D=36
C*D=63 tells us that C and D are odd in fact one of them is likely 7. Assume C=7.

B*C=28 means B=4, and so
A*B=8 means A=2
checking B*D ...
4*9 = 36

so...
A=2, B=4, C=7, D=9


:)