Challenge
sketch a rectangle whose perimeter is 12a + b +13 and label the lengths. there is more than one
solution to this challenge, and so you will need to confirm your drawing with your cuny start math
teacher.

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.