An emu-for-hire company has 20 emus they rent out to people with emu-related emergencies. There are 5 brown emus, 8 grey emus, 2 white emus, and the rest are multi-color. What is the probability that a customer will receive a grey emu?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.