Lindsey's birthday party will cost $20 if she invites 10 guests. How many guests can there be, at most, if Lindsey can afford to spend a total of $48 on her birthday party? Solve using unit rates.

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.