To round 15.6 to the nearest whole number, we look at the tenths place, which is 6 in this case. Since 6 is greater than or equal to 5, we round up. Therefore, 15.6 rounded to the nearest whole number is 16.
160
156.00
Number of boxes would be 156/13.09 rounded up to the next higher number assuming that you cannot get partial boxes, turns out to be 12.
There are 156 such numbers.
156 is an even number. 156/2 = 78