Answer:the car would burn 40 gallons
Step-by-step explanation:340x2=680 so if a car would burn 20 gallons in 340 then it would burn 40 gallons going 680 miles
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Answer:
40 gallons of Gas
Step-by-step explanation:
If 340 miles = 20Gallons
340x2 = 680
20 x 2 = 40