Agroup of friends went to lunch. the bill before sales tax and tip was 37.50. a sales tax of 8% was added. what was the amount in dollars of the sales tax ?

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?