Answer:
[tex]7x+y>18[/tex]
Step-by-step explanation:
[tex]7x[/tex] is 7 dollars times the amount of burritos
[tex]y[/tex] is 1 dollar times the amount of tacos
[tex]>[/tex] because the final price has to be more than the gift card
[tex]18[/tex] the money on the gift card