140,000 invested in a business. joe and matt invested in a 2: 5 ratio. how much does each person have invested. there are 7 parts (2+5)

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?