Answer:
B.
Step-by-step explanation:
Because they want it to be less than 50 dollars or the card will overdraft. so its 9.99 + 1.29 > or equal to n. They want the sum of 9.99 plus 1.29 times a number to be less than 50.
0.16666666666 and keep on going. you can add a line above the number to show infinite 6
