Question

 Celsius scale is drawn on thermometer and Fahrenheit scale is drawn on thermometer. Which thermometer will give more accurate reading? ​

Answer 1

Answer:

F = 9C/5 + 32.

I needed a way to convert Celsius to Fahrenheit in my head. After a little thought, I came up with

Double the CelsiusSubtract the first digitAdd 32

Anyway, we want

F = C

C = 9/5C +32

-4C/5 = 32

-4C = 160

C = -40.

Explanation:

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