Contestants in a dance marathon rest for the same amount of time every hour. a couple rest for 27 minutes in 6 hours. how long dose the couple rest in 8 hours? i really need you for my if you me.

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297