Solve for a. a + (−5) = 12

Question 2 options:

A. a = 17

B. a = 7

C. a = -12

D. a = -17

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.