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how to do this

 Feb 26, 2021
 #1
avatar+344 
+1

plug c for 30, so F=270/5+32, so F=54+32=$\boxed{86}$

 Feb 26, 2021
 #2
avatar+235 
+1

(30 x 9) = 270

270/5= 54

54+32= 86

F=86

 Feb 26, 2021

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