Natalie budgets $146 for yoga training. She buys a yoga mat for $10 and pays $9 per yoga class.which inequality represents the number of classes, c, that natalie can take and stay within her budget?.

A: 146≤ 9c+10
B: 146≥ 9c+10
C: 146≤ 10+9
D: 146≥ 10c+9

Please answer this for me this is my test question.