3 Pizzas are shared equally between 10 people. what fraction of pizza does each person get

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

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.

On the blueprint of a house, 42 millimeters represents 8 meters. the actual lehenth of the living room is 5 meters. what is the length on the blueprint