a cinema runs its movies in two different halls 24/7. one movie runs for 80 minutes and the second one runs for 120 minutes. both movies start at 1:00 PM when will the movies begin again at the same time?

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

What is the ratio of the length of an object in yards to the length of the same object in miles?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18