Pls asap a scientist measures the growth of a new type of ivy that has been bred to grow in all types of weather. at the end of each week, the scientist measures the length of the vine.

customary system

if the vine continues to grow at this rate, it will be
inches long at the end of 5 weeks.

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.