Question 1192056
t and b, the prices of each;


{{{system(3t+3b=11.25,4t+2b=10)}}}


Multiplying eq. 2 by  {{{1/2}}},

{{{system(3t+3b=11.25,2t+b=5)}}}


Maybe not obvious but if multiply eq. 1 by {{{1/3}}}, then
{{{system(t+b=3.75,2t+b=5)}}}


{{{EQ2-EQ1}}}:
{{{highlight(t=1.25)}}}


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