deletions | additions       diff --git a/beginproblem_a_You_a.tex b/beginproblem_a_You_a.tex  index deb7926..4904042 100644  --- a/beginproblem_a_You_a.tex  +++ b/beginproblem_a_You_a.tex 
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\end{problem}  \textbf{Solution 1: }  Since we are receiving one extra coupon for each consecutive day, the total coupons received for $n$ days can be represented as $\sum limits_{i=1^n}  i$