Madelyn has xx quarters and yy dimes. She has no less than 18 coins worth at most $3.60 combined. Solve this system of inequalities graphically and determine one possible solution.

step-by-step explanation:

$12. that is my answer.

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.