A group of four people ate dinner at a restaurant. They divided the bill equally and each person left a $2 tip. They each paid $14. Write an equation to determine the amount of the total bill.

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.