John earned $1,950 this month. He has expenses of rent of $750, car payment is $275, utilities are $75, Insurance is $150, car maintenance of $150, and groceries/household supplies at $275. He really wants to take a trip with his friends to Los Angeles this month and the trip costs $350 for a plane ticket and hotel. Can John afford to take the trip with his friends this month if he has $90 in savings as backup?

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?