25% of Ling's savings is the same amount as 20% of Neil's savings,
Find the ratio of Ling's savings to Neil's savings.
I'm having trouble please help !!

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

What is the measure of angle x? answer

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?