An animal shelter spends $2.00 per day to care for each bird and $7.00 per day to care for each cat. brianna noticed that the shelter spent $191.00 caring for birds and cats on thursday. brianna found a record showing that there were a total of 33 birds and cats on thursday. how many birds were at the shelter on thursday?

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?