The temperature in toronto at noon during a winter day measured 4°c. the temperature started dropping 2° every hour. which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°c?

4 - 2x < 3

Step-by-step explanation:

Given,

The original temperature = 4°C,

Also, the temperature started dropping 2° every hour.

Thus, the total decrements in temperature after x hours = 2x degree,

So, the final temperature after x hours = original temperature - decrements in temperature

= ( 4 - 2x) degree

According to the question,

Final temperature < -3°C,

⇒ 4 - 2x < -3

Which is the required inequality.

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step-by-step explanation:

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