Answer:

Step-by-step explanation:




About 5 hours. I did this by dividing and rounding 276 by 62. Hope this helps!
120 cupcakes
Even # rows
Odd # columns
12: 1, 2,3,4,6, 12 (integers?)
I see only one arrangement with odd column & even rows
3 columns, 40 rows
That's mainly because 120 is an even number.