The weather report says the temperature is 20°C and will drop 5°C per hour for the next 6 hours. Daryl plans to be gone for at least 6 hours, and he has a plant outside. If he wants the plant to remain in temperatures above -10°C,
should Daryl move his plant to a warmer location before leaving?
An inequality to model the problem is
The solution is

yes.

Step-by-step explanation:

if he's gone for EXACTLY 6 hours, the plant will be at -10°C when he returns. However, it's stated that he plans to be gone for AT LEAST 6 hours, which means he should probably put the plant indoors or somewhere warmer so he doesn't have to rush home.

10% of increase is the final answer! : )

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