40 miles per gallon是什么意思

40 miles per gallon是什么意思 sat 史上最难最崩溃的题目.关键是我看不懂看题：Barb's motor scooter has a 2-gallon gas tank and can travel m miles on 1 gallon of gas.If gas costs $1.25 per gallon and Barb spends d dollars to fill the tank; which of the followi gre 125 gram per liter 转换成 ounce per gallon,gram per liter 是指 gram/liter1 ounce =a gram ,1 gallon = b liter,是等于 125 *（1/a) / (1/b) ounce per gallon? He wants the country’s entire car and light truck fleet to average 35.5 miles per gallon by 2016.中的light truck fleet 英语翻译a vehicle uses 1 tablespoon of gasoline to drive 125 yards.how many miles can the vehicle travel per gallon?round your answer to the nearest mile.hint:there are 256 tablespoons in a gallon. 哪位亲能看懂这道GMAT OG的 我实在不知题目所云云.On a recent trip,Cindy drove her car 290 miles,rounded to the nearest 10 miles,and used 12 gallons of gasoline,rounded to the nearest gallon.The actual number of miles per gallon that 英文数学题,求高手,急A truck gets 500/x miles per gallon (mpg) when driven at a constant speed of x mph, where 40 ≤ x ≤ 80. If the price of fuel is $2.80/gal and the driver is paid $17/hr, at what speed is it most economical for the truck 英语翻译1.A man spends $88 for gas and oil in making a trip.He uesd 10 quarts of oil at $1.50 per quart.If gasoline was $1.46 a gallon and he averaged 18 miles to the gallon,how many miles did he travel?2.Linda has 26 feet of ribbon.She uses 7/3 英语翻译1.A man spends $88 for gas and oil in making a trip.He uesd 10 quarts of oil at $1.50 per quart.If gasoline was $1.46 a gallon and he averaged 18 miles to the gallon,how many miles did he travel?2.Linda has 26 feet of ribbon.She uses 7/3 英语翻译Drive the car that gets better gas mileage whenever possible ifyou own more than one vehicle.If you drive 12500 miles a year,switching 10 percent of your trips from a car that gets 20 miles per gallon to one that gets 30 mpg will save you SAT问题：Milk costs x cents per half-gallon and y cents per gallon. If a gallon of milk costs z cMilk costs x cents per half-gallon and y cents per gallon. If a gallon of milk costs z cents less than 2 half-gallons, which of the following equation 300miles per hour 可以说 300miles an hour吗 45 miles per 还有45 m.p. Light t___ 186000 miles per second How many miles per hour does it travel 中文翻译 light ____(travel) 186,000 miles per second His average speed had been 301 miles per hour.句子成分 John drives 80 miles per hour.Jim drives 60 miles per hour.Iim drives__ 为什么不填more slowly