The average of three numbers is V. If one of the numbers is Z and another is Y, which expression describes the remaining number?

Two cyclists start biking along a trail. The second cyclist travels at 10 miles per hour and starts three hours after the first cyclist, who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first?

Jim can fill a pool carrying buckets of water in three minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 90 minutes. How quickly can the three fill the pool together?

Mary is reviewing her algebra quiz. She has just determined that one of her solutions is incorrect. Which one is it?

What simple interest rate will Susan need to secure to make $2,500 in interest on a $10,000 principal over five years?

Which of the following is not a rational number?

A study reported that in a random sampling of 100 women over the age of 35, eight of the women were married two or more times. Based on the study results, how many women in a group of 5,000 women over the age of 35 would likely be married two or more times?

John is traveling to a meeting that is 28 miles away. He needs to be there in 30 minutes. How fast does he need to go to make it to the meeting on time?

If Steven can mix 20 drinks in five minutes, Sue can mix 20 drinks in ten minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all three of them working together to mix the 20 drinks.?

If Sam can do a job in four days that Lisa can do in six days and Tom can do in two days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?