The cost of a machine is supposed to depreciate each year by 12% of its value at
the beginning of the year. If the machine is
valued at 344,000 at the beginning of 2008,
find its value
(i) at the end of 2009.
(ii) at the beginning of 2007.​

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?