How will you translate the required age mathematically?

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.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

If wxyz is a square, which statements must be true? plz < 3