on a certain hot summer's day, 347 people used the public swimming pool. the daily prices are $ 1.75 for children and $ 2.50 for adults. the receipts for admission totaled $ 743.75. how many children and how many adults swam at the public pool that day?

(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.