Answer:
The temperature decreased by 9 °F in <u>6 days.</u>
Step-by-step explanation:
Let the number of days it takes for the temperature to decrease by 9 °F be .
Given:
Average daily temperature decreases by °F.
Decrease of temperature in 1 day = = 1.5 °F.
∴ Decrease in temperature in x days is .
Now, as per question, decrease in temperature in 'x' days is 9 °F.
Therefore,
Therefore, the temperature decreased by 9 °F in 6 days.
999999%
Step-by-step explanation: