A car uses 15 gallons of gaz to travel 300 miles. How many gallons are needed for this car to travel a distance of 430 miles?
The car needs 15 gallons of gasoline to travel 300 miles.
For 1 mile it needs 15/300 gallons.
If the car has to cover 430 miles the gallons of gasoline needed is 430*(15/300) = 21.5
The car needs 21.5 gallons to travel 430 miles.
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