Enrique and yolanda collected 500 pieces of candy on halloween. they gave half of their candy to charity. yolanda took 180 pieces of the candy and enrique took the rest. enrique told his mother he got 64% of the candy. what did enrique do wrong in calculating his percentage?

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.