Not including thinking distance, lawful brakes must stop a car at 20 miles per hour within how many feet?.

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Me. i can't figure out this question. give an explanation too. .

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?