Thomas takes a break from his work every 20 minutes while elaine takes a break every 30 minutes. how often do they take a break at the same time assuming that they start work together?

Could someone with number 1 and 2

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies