解答
解答
求解步骤
Translate the problem into an equation:
求解
流行的例子
What is the speed of a car that is traveling 100 km in 3 hours?A boat traveled at a constant speed for 5 hours, covering a total 距离 of 384 kilometers. How fast was it going?A family drives 4 1/2 miles in 1/10 of an hour. What is their rate of speed in miles per hour?Joe went for a drive in her new car. She drove for 142.5 miles at a speed of 57 mph. For how many hours did she drive?It takes Erin 16 hours to drive 1200 miles from Gainesville to New York. What is her 平均值 speed in miles per hour