Solution

23393

First name
Paul Bolton
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Age
18

F = 1.8C + 32

So suppose F and C are the same, let's call it x

x = 1.8x + 32

x - 32 = 1.8x

-32 = 1.8x - x

-32 = 0.8x

so x = -32/0.8 = -40

When the temperature is -40 degrees C then it is also -40 degrees F