Nikki had 70% of her savings left in her bank account. If she has $230 in her bank account, how much did she start with? *no answer choices*

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.