Follow the rules for working with measurements.The 
value of insulation is given by the formula 
, where L is the thickness of the insulating material and K is the thermal conductivity of the material. Find the R value of 
style="vertical-align:-1px;" varid="variable_id_field" variablename="impvar_64be9824e2df40babe7b532fa" class="wirisformula" /> of mineral wool insulation. K = 0.026. Note:L must be in feet.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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