Cora's kitten weighs 1200 grams. if he weighed 500 grams at the last visit to the veterinarian's office, what is the percent increase in the kitten's weight rounded to the nearest whole number?

If i have one apple and give you the apple, how many apples do i have?

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

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.