The histogram shows the reviewer ratings on a scale from 1 to 5 of recently published book. I have the mean but I don’t know how to plug in the last row on the scratch paper and I can not figure it out.

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?