Question 1145084
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Sold  {{{1/3}}}  of the 360 on Monday - hence,  {{{2/3}}}  of the 360 stamps left, which was  {{{(2/3)*360}}} =  240 stamps.


Sold  {{{1/4}}}  of the remaining 240 stamps on Tuesday - it was  {{{(1/4)*240}}} = 60 stamps.    <U>ANSWER</U>
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