Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 90 miles per hour. The eastbound train travels at 80 miles per hour. How long will it take for the two trains to be 374 miles apart?

How do i solve uniform motion problems?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?