Marianne has been collecting donations for her biscuit stall at the school summer fayre. there are some luxury gift tins of biscuits to be sold at ? ? 5 each, normal packets at ? ? 1 each, and mini- packs of 2 biscuits at 10p each. she tells amy that she has received exactly 100 donations in total, with a collective value of ? ? 100, and that her stock of ? ? 1 packets is very low compared with the other items. amy wants to work out how many of each item marianne has. show how she can do it.

What could explain what happened when the time was equal to 120 minutes

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 does the relationship between the mean and median reveal about the shape of the data