Arecipe calls for using 3/4 cup of brown sugar for each 2/3 cup of white sugar. how many cups of brown sugar are used per cup of white sugar?

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.