The decrease in temperature is 22 degree F.
What is an Equation ?
An equation is a a mathematical statement formed when two algebraic expressions are equated by an equal sign.
It is given that the temperature initial = 78 degrees F = T
Final temperature = 56 degree =T'
The decrease in temperature is given by = T''
T" = T - T'
T'' = 78-56
T'' = 22 degree F
Therefore , The decrease in temperature is 22 degree F.
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