In the first week of the Year, Pancy saved $1. In each of the next 51 weeks, she saved $1 more than she had saved in the previous week. What was the total amount that Pancy saved during the 52 weeks?
Choose the correct choice:  A) $1,326  B) $1,352  C) $1,378  D) $2,652  E) $2,756
In the first week of the Year, Pancy saved $1.If you don't recall the formula, there is one method:   1 + 2 + 3 + 4 + 5 ........ + 26 + 27 + ............ + 48 + 50 + 51 + 52   Sum of 1stlast digit = 1 + 52= 
<gadget id="calculator">1 + 52</gadget>
<output>53</output>
53   Sum of 2nd2nd last digit= 2 + 51= 
<gadget id="calculator">2 + 51</gadget>
<output>53</output>
53   Sum of 3rd3rd last digit= 3 + 50= 
<gadget id="calculator">3 + 50</gadget>
<output>53</output>
53   .   .   .   .   This is repeated 26 times   So, 26 * 53= 1378   Answer = $1,378
<result>C</result>
In the first week of the Year, Pancy saved $1. In each of the next 51 weeks, she saved $1 more than she had saved in the previous week. What was the total amount that Pancy saved during the 52 weeks?