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?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?