What is the answer?
-20 gallons per hour
-10 feet per minute
-0.1 kilograms per second

Answer:
im gonna assume they are negatives, if not you can just re-word it.
Step-by-step explanation:
a lake being drained by -20 gallons per hour
a paper airplane falling at -10 feet per minute
an intense workout burning -.1 kilograms per minute