You attended concerts and events at a pavilion and spent $260 on thickets. lawn tickets were $10 each and chair tickets were $20. how many of each ticket was purchased if you attend 18 concerts and events?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.