Question 1049839
A............4.50 
B............7.00
C...........10.00
:
A = 2B
C = 1/2B 
:
A+B+C = 546 Substitute:
2B+B+1/2B = 546
3.5B = 546
B = 156 shares
A = 156*2 = 312 shares
C = 1/2(156) = 78 shares
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Check:
156+312+78 = 546 Correct
:
John