An animal shelter houses only cats and dogs, and there are 25% more cats than dogs. if there are 40 cats, how many dogs are there, and how many animals are there total?

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.