John is a quarterback. this year, he completed 350 passes, which is 70, percent of all the passes he's attempted this year. how many passes has john attempted this year?

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.