The number of miles represented on a map is directly proportional to the number of centimeters measured on a map. a certain texas map uses the scale 2 cm= 150 miles. according to this map, how many centimeters would represent 525 miles? the distance of a truck travels varies directly with the number of hours driven. a truck travels 268 miles in 4 hours. if the truck continues to travel at this same rate, how long will it take the truck to go 938 miles? the amount of gas consumed by a car varies directly with the miles driven. the car traveled 180 miles and used 6 gallons of gas. if the car traveled 1,260 miles, how many gallons of gas would be used?