Which inequality can be used to represent this problem? pleaseeeee help

Propane costs $3.50 per hundred pounds, and there is a $6 monthly delivery fee. A family has budgeted $85 for their propane this month. How many hundreds of pounds, x, can the family use without going over budget?

3.5x−6<85

3.5x−6≤85

3.5x+6≤85

3.5x+6<85