It took otis 6 hours to travel to the grand canyon. along the way he took 18 minutes to get gasoline and 53 minutes to eat. how much time did otis spend driving? with work

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?