Anthony earns $35 per day during a 30 day period. he does not spend any more money during this 30 day period. he has a total of $500 on day 12. how much money did anthony already have at the beginning of the 30 day period?

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?