The price of the shoes times .06 will give you the abswer
To find the answer to your question you would have to divided 168 and 28
And when you do that you will get 6 so the answer is 6 bags
42 is the number because...
42 ÷ 6 = 7
42 ÷ 7 = 6
Yes I think because sum means adding so if you add 8 by a number you get bigger answers and if you add 4 by something it give you smalls numbers well I think is yes but I really don't know