What size is smaller, 5/16, 1/4, 1/2, 3/8?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Why do interests rates on loans to be lower in a weak economy than in a strong one

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