mr. Ken has 304 books on 4 shelf in his house he has the same numbers of books on each shelf to find the number of books on each shelf he divided 304 by 4.how many tens did he regroup as ones? how many books are on each shelf​

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

True or false look at the picture pls : /

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?