a) The temperature in Red Deer, Alberta, is 10°C on a dry day. What is the temperature outside an aircraft 2.8 km above the city?

The number became 2800 because I converted 2.8 km to metres, so it became 2800. I multiplied it by .65 because the answer determines what to add or subtract it to the current temperature. I divided 1820 to 100 because it would easier to subtract the number to the temperature. I put 10 first because you are subtracting from 10.

**The temperature outside of the aircraft is -8.20°C.**

b) The temperature outside an aircraft 1600 metres above Red Deer is -8.5°C. Whats is the temperature in the city.

I multiplied it by .65 because the answer determines what to add or subtract from the temperature. I divided 1040 by 100 because it would be easier to subtract the number to the temperature.

**The temperature in Red Deer is -1.9°C.**

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