My 8 year old sister needs on this question. roberta is going to make a number line from 0 to 4 by 1/4s. not including the mark for 0, how many marks should she draw? a. 8 b. 12 c. 16 d. 20

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.