Write a proportion that models the situation described. Then, solve the proportion for x.If 3.5 ounces of oil are to be added to 17.5 gallons of gasoline, then x ounces of oil should be added to 39.5 gallons of gasoline.
A. 
= 
; x = 7.9 ounces
B. 
= 
; x = 7.8 ounces
C. 
= 
; x = 197.5 ounces
D. 
= 
; x = 8.1 ounces
Answer: A
Mathematics
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