Question 55404
1.  B = R + A
2.  R = A + 2
3.  A = B/3


Substitute equation 2 into equation 1
4.  B = (A + 2) + A


Plug equation 3 into equation 4
5.  B = (B/3 +2) + B/3


Solve equation 5 for B
{{{ 1B = 1B/3 + 2 + 1B/3 }}}
{{{ 3B/3 = 2B/3 + 2 }}}
Subtract 2B/3 from both sides
{{{ 1B/3 = 2 }}}
Multiply both sides by 3
{{{ B = 6 }}}


Plug this into equation 3
{{{ A = B/3 }}}
{{{ A = 6/3 }}}
{{{ A = 2 }}}


Plug A and B into equation 1
{{{ B = R + A }}}
{{{ 6 = R + 2 }}}
{{{ 4 = R }}}


Becy = 6
Ryan = 4
Amy = 2
Total = 12