Answer:
Option D.
Explanation:
Borrowed $50 from your cousin. You pay him $8 and must pay him back within 12 weeks.
Let x be the amount paid on each week.
![50-8\leq 12x](https://img.qammunity.org/2020/formulas/mathematics/middle-school/z3t4agabrmufgziucl9kcjj30knb7gi7q7.png)
![50-12x\leq 8](https://img.qammunity.org/2020/formulas/mathematics/middle-school/nfrb1p1ythtzs3armpygmk9cid871j3h3e.png)
You can buy bags of pretzels in packages of 12. You $50 to spend, but want to have at least $8 left.
Let x be the amount of each package.
![50-12x\geq 8](https://img.qammunity.org/2020/formulas/mathematics/middle-school/2n6u24897lyqq1b6hsz2oops23mkrmwyax.png)
You owe your sister $50. You plan to pay her $12 a week till you owe her less than $8.
Let x be the amount paid on each week.
![50-12x<8](https://img.qammunity.org/2020/formulas/mathematics/middle-school/6w2r2wzw5g5hjrmtcw7jfdhxjxhr7c7rk5.png)
You have $50 to spend on clothes, but you need to save at least $8 for bus fare. You plan to spend the rest on shirts that cost $12 each (including tax).
Let x be the number of shirts
![50-12x>8](https://img.qammunity.org/2020/formulas/mathematics/middle-school/kp8itszfturro1fqquowg7furha77xttki.png)
Therefore, the correct option is D.