The restaurant bill you and your friend received was not itemized. you ordered 2 drink refills and the egg breakfast, for a total of $8.40. your friend ordered 3 refills and the egg breakfast for $9.35.
(a) write a system of equations for the situation. use r for the amount charged for a refill and b for the amount charged for the egg breakfast.
(b) graph the equations in the system.
(c) use your graph to estimate how much each item cost.

Which system of linear inequalities is represented by the graph? !

Does anyone know how to do geometryme with this problem

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?