Question 1096054
{{{system(k=p+5,p+5=(k+5)/2+15)}}}


{{{p=(k+5)/2+10}}}
{{{p-10=(k+5)/2}}}
{{{2p-20=k+5}}}
{{{2p=k+25}}}
{{{2(k-5)=k+25}}}
{{{2k-10=k+25}}}
{{{highlight_green(k=35)}}}------Katrina now


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How old is katrina 10 years ago?
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She was 25 years old, ten years ago.