Mike's salary is $6,500 per month. he saves 15 of his monthly salary and spends the rest. how much money does mike save every month? how much money does mike spend every month?

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.