Martin is a manager at a restaurant. He receives a straight commission of 8% on food sales for the month. What were his March earnings if the restaurant sold $31,902 in food?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?