Abricklayer uses a cylinder to store sand. the cylinder is 5 ft tall and has a radius of 0.5 ft. each batch of mortar contains 0.48 ft3 of sand.
how many batches of mortar can the bricklayer make with 1 cylinder of sand? use 3.14 to approximate pi, and express your answer as a whole number.

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.