Tanner has already taken 1 picture at home, and he expects to take 2 pictures during every day of vacation. how many days will tanner have to spend on vacation before he have taken 19 pictures

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?