Chloe is baking cookies to sell in boxes of 12 cookies. if she bakes 112 cookies, calculate the number boxes she can fill and the number of cookies that will be left over. explain how you got your answer.

To find out the number of boxes Chloe can fill, you find the number of times 12 can go into 112.  The number of times 12 can go into 112 is 9 times.  This means that she can fill 9 boxes.  So knowing this information, you multiply 12 by 9 to get 108.  In order to find out the number of cookies left over, you subtract 108 from 112 to get 4.  This means that Chloe will have 4 cookies left over. 

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table