The train stations of New York City and Burlington, Vermont, are approximately 295 miles apart. One train leaves New York for Burlington at 9 A. M. at an average speed of 70 mph. A second train leaves Burlington for New York 2 hours later and travels at 85 mph. At what time did they pass each other?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?