4/15 times 6 in simplest form

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

When the ball has traveled a distance of

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.