A group of friends on a camping trip has 325 lb of trail mix. They divide it up evenly among themselves. Each person gets 15 lb of the trail mix. How many friends are on the camping trip
(FRACTION)

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.