Grade A sugar costs £75 per kg and grade B sugar costs £50 per kg. Anne mixed the two grades and sold the mixture at £72 per kg. I'm doing so she made a 20% profit. In what ratio did she mix them?

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."

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17