Question 1098822
If initial amounts in each box given variables a, b, c,
and if the description is followed exactly, this system of equations can be made:


{{{system(a+b+c=900,a-18+(c+5)/3=b+13,b+13=(2/3)(c+5))}}}


Algebra steps leads to {{{system(a+b+c=900,3a-3b+c=88,3b-2c=-29)}}}.

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{{{highlight(system(a=168,b=287,c=445))}}}