Answer:
The hose can run for 7.5 minutes, 9 minutes, and 12 minutes.
The hose can't run for 0 minutes, 7 minutes, 9.75 minutes, or 10.3 minutes.
Here's why:
Vanessa needs to water her plants for at least 7.5 minutes.
Vanessa can't leave the hose running for more than 12 minutes because it will waste water.
Explanation: