Whích phrase represents the algeblaic expression 3p+6/7p-9 o the sum of six times a number and three, multiplied by the difference of nine times the number and seven
O the sum of six times a number and three, divided by the difference of nine times the number and seven
O the sum of three times a number and six, multiplied by the difference of seven times the number and nine
O the sum of three times a number and six, divided by the difference of seven times the number and nine

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?