Damche makes a profit of 10% on selling a jacket. He calculates that he would have made a profit of Nu 200 more had he sold for 5% higher. Find 1) the cost price of the jacket
2) the selling price of the jacket
3) the profit from the sale

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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."

Which graph represents the equation y =4x