During a sale at the market, steaks sold for $4 and watermelons sold for $3.50. Luca spent $23 and bought a total of 6 steaks and watermelons. How many of each did he buy?

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.