Connie has to solve the following problem5 boxes of cereal costs $12.50. how much will 18 boxes costchoose every proportion connie could use to solve this problem

Cost of 18 boxes is $45.

Step-by-step explanation:

Since we know that

Cost of 5 boxes of cereal = $12.50

We will use "Unitary method":

Cost of 1 box of cereal is given by

So, Cost of 18 boxes would be

Hence, cost of 18 boxes is $45.

the graph on the bottom right

(-5,-28)

i graphed to on desmos.